Stress and anxiety before a marathon can leave runners at risk of getting sick – new research

Source: The Conversation – UK – By Sophie E Harrison, Lecturer in Sport and Exercise Science, Bangor University, Bangor University

Being anxious, stressed or in a bad mood before a marathon may make you more vulnerable to illness. Asier Romero/ Shutterstock

Marathons have quickly become a popular pursuit. Hundreds of thousands of people submit ballots each year to run in some of the most prestigious races. In 2024, a record number of people crossed the finish line at some of the world’s biggest marathons. If you haven’t run a marathon yourself, chances are you know someone who has.

While we know that running has a range of health benefits, including reducing your risk of illness, research also shows that runners are more likely to catch a cold after completing a marathon.

Scientists used to think this was caused by reduced immune function following prolonged exercise, alongside increased exposure to infection due to the large crowds that marathons attract. But our latest research shows that a person’s anxiety, stress and mood may also play a role in whether they’re more vulnerable to getting ill or not after a long run or marathon.

In our first study, we asked 406 runners to complete questionnaires about their anxiety and mood in the month and days before running a marathon. We also asked them to provide saliva samples before and after the race.

The mouth is one of the main routes of access for the majority of viruses and bacteria that cause respiratory infections. The saliva samples allowed us to detect whether there were signs that the defence systems that normally stop these pathogens from entering the body (known as mucosal immunity) were suppressed.

We then tracked their common cold symptoms during the two weeks after their marathon.

Runners who were more anxious generally and those who experienced greater mood disturbance before the race (such as anger, frustration or tension) were more likely to experience a respiratory infection during the two weeks after the marathon. They also had a greater reduction in mucosal immunity.

In the second study, we asked 45 adults to run on a treadmill for an hour inside our laboratory. We asked them to complete questionnaires about their anxiety, stress and mood before they completed the run. We also measured their mucosal immunity in saliva before and after the run.

Men with higher anxiety levels, stress levels and greater mood disturbance were more likely to have a reduction in mucosal immunity after the run compared to men who had lower anxiety and stress levels before the run.

When examining the influence of stress, anxiety and mood on the immune response to one hour of running in women, findings were not as clear cut. There are many potential reasons for this – with factors such as hormone fluctuations, contraceptive use and differences in immune response depending on menstrual cycle phase all potentially having an influence. It will be important for future studies to examine this.

Together, the findings from our studies indicate that people who are more stressed or anxious before a run might be at greater risk of getting sick or catching a cold. This effect seems to apply not only to marathon-length runs, but to moderate-length runs of around an hour, too.

Immune function

One possible reason for this link between stress and immunity is due to the way stress changes how the immune system functions.

Both psychological and physical stressors affect the body through similar mechanisms – specifically through the hypothalamic-pituitary axis and sympathetic-medullary axis. These pathways link the nervous system to the brain and play a role in the stress response. High psychological stress or prolonged exercise can suppress these axes and reduce immune function.

So when runners experience both psychological and physical stress, the impacts on the immune system might be more significant than if they were just experiencing psychological or physical stress alone.

A man standing outside wearing workout clothes blows his nose into a tissue.
Stress can make our bodies us less able to fight infections.
Dirima/ Shutterstock

For example, both mucosal immunity and the immune system’s ability to respond to new foreign pathogens are reduced following prolonged running in people with higher anxiety and stress levels. This shows just how significant the effects of both psychological stress and physical stress are when it comes to immune function.

But before you cancel that 10k or withdraw your marathon ballot, it’s important to remember that being physically active still reduces your risk of a respiratory infection compared to not exercising at all.

Physical activity also reduces risk of many other severe health conditions including cardiovascular disease, cancer and diabetes. Running can also be beneficial for reducing psychological stress and anxiety.

Instead, it’s important to prepare yourself well before your run by dealing with your stress and anxiety beforehand. Finding ways to reduce stress before a run should be treated the same way as you would ensure that you’re hydrated and fuelled well.

Some things you can do to reduce stress include relaxation exercises (such as breathwork, mindfulness or yoga) and getting a good night’s sleep.

It can also help to monitor stress, anxiety and mood so that you can identify when your stress or anxiety starts to increase – or when your mood begins to worsen. This will help you identify triggers and take proactive steps to reduce the impacts before things progress and become worse.

If you’re taking part in a race or marathon, some easy ways to reduce stress include:

  • Planning your travel route in advance and allowing extra time to avoid rushing and stress
  • If you can, try to arrive the night before the race to scope out your route
  • Plan some “what if” or “if/then” strategies to be prepared to deal with anything unexpected on race day.

Of course, some of the best ways to avoid getting sick involve sticking to the tried and tested techniques – such as washing your hands properly (and avoid touching your eyes, nose and mouth), aim to get at least seven hours of sleep each night, eat a well-balanced diet, plan a recovery week into your training every second or third week and never train if you have an injury.

The Conversation

The authors do not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.

ref. Stress and anxiety before a marathon can leave runners at risk of getting sick – new research – https://theconversation.com/stress-and-anxiety-before-a-marathon-can-leave-runners-at-risk-of-getting-sick-new-research-267770

Online age checking is creating a treasure trove of data for hackers

Source: The Conversation – UK – By Mark Tsagas, Senior Lecturer in Law, Cybercrime & AI Ethics, University of East London

PeopleImages

A variety of websites now have processes designed to verify the ages of their users. These checks are carried out in several ways. For instance, AI can be used to analyse whether a photo of the person looks old enough for the age threshold on a website.

Asking for photo ID, such as a scan of a person’s driving licence or passport, is another method, along with asking for a verified credit card.

However, the amount of personal data involved in completing age verification comprises a veritable treasure trove for hackers.

Recent incidents have further highlighted the privacy and security concerns around age verification. In October 2025, Discord, a social media and chat platform popular among gamers was hacked, with an unspecified amount of data extracted.

However, the company said it had identified 70,000 users globally who potentially had their photo IDs exposed to the hackers. Discord said the data was accessed through a third-party service provider, although it remains unclear exactly how the breach occurred.

Age verification checks for the UK were brought in by Discord in order to comply with the Online Safety Act. The act required that websites allowing pornography and harmful content introduce age checks by July 25 2025.

In July 2025, the Tea app, which allows women to anonymously share information about the men they date for safety purposes, was also hacked. The app requires a photo selfie and photo ID in order to register. The breach reportedly revealed these photos along with content and messages.

Grave consequences

These breaches highlight issues of compliance with website privacy policies, security practices and general data protection regulations (GDPR) legislation.

When Discord brought in age verification, its support website said it did “not permanently store personal identity documents or your video selfies”. It added: “Images of your identity documents and ID match selfies are deleted directly after your age group is confirmed, and the video selfie used for facial age estimation never leaves your device.”

The consequences of such breaches can be grave. Leaked images of selfies and photo IDs can lead to users facing a range of harms, such as identity theft and fraud. The kind of data that’s hacked also lends itself to particularly sophisticated forms of these crimes, particularly when you consider the availability of deepfake technology and generative AI tools.

In fact, third-party providers have represented a consistent vulnerability to be relentlessly exploited by cybercriminals, as seen in recent breaches of the UK Ministry of Defence, the Co-op supermarket and M&S to name but a few.

The proliferation of age verification checks in recent years is partly a response to new legislation, such as France’s Security and Regulation of the Digital Space law, the European Commission’s Digital Services Act and the Online Safety Acts in the UK and Australia. These all deem checks where users self-declare their age as unfit for purpose. Instead, they require websites to use more effective methods, such as photo ID matching, or credit card checks.

In a recent press release, the UK’s Department of Science, Innovation and Technology attempted to address the cybersecurity and privacy concerns arising from such checks. The department’s guidance says that any measures implemented by platforms to confirm a user’s age must be done “without collecting or storing personal data, unless absolutely necessary”.

This reiterates rules from the EU’s GDPR legislation. Further guidance is offered by the UK Information Commissioner’s Office and the regulator, Ofcom.

However, the Tea and Discord breaches highlight regulators’ inability to prevent data retention or enforce data deletion in practice. This is particularly relevant when the third parties are located outside of the UK.

The incidents show that the implementation and use of age verification requires genuine review; further regulation of data handling with enforcement powers – beyond mere guidance. This is a necessity to safeguard privacy, especially when third-party companies are involved.

The Conversation

Mark Tsagas does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. Online age checking is creating a treasure trove of data for hackers – https://theconversation.com/online-age-checking-is-creating-a-treasure-trove-of-data-for-hackers-268586

BBC has survived allegations of political bias before – but the latest crisis comes at a pivotal moment

Source: The Conversation – UK – By Simon Potter, Professor of Modern History, University of Bristol

The leaked memo raising concerns about BBC impartiality was an early Christmas present for those who believe the UK’s biggest public service broadcaster is biased and needs to be reformed and cut down to size.

For some, the crisis the memo has sparked – which has led to the resignation of the BBC’s director general and its head of news and a threat from US president Donald Trump of a US$1 billion lawsuit – reflects a terrible failure of internal governance. For others, it represents a “coup” at Broadcasting House, launched by a faction within the BBC’s senior echelons seeking to push the tone of the broadcaster’s news coverage to the right.

But whatever the case may be, this crisis comes at a pivotal moment in the broadcaster’s history, as it approaches the once-a-decade renewal of its royal charter.

This arcane-sounding instrument is the BBC’s foundational document. It gives the corporation independence from politicians and civil servants on a day-to-day basis, while also ensuring a measure of accountability to the public which owns and funds it.

Crucially, the charter does not run in perpetuity. Typically, it needs to be renewed every ten years. This gives parliament an opportunity to hold the BBC to account for its performance over the previous decade, and to decide whether fundamental reform is needed. Conceivably, parliament could decide that no new charter should be granted, effectively ending the BBC’s existence as a public corporation.

Negotiating with the government over charter renewal is, unsurprisingly, a major preoccupation for BBC leaders in the years before each charter expires. The current charter ends on December 31 2027. As a result of Tim Davie’s resignation, the BBC now lacks an experienced director general at a crucial time. Some believe that this crisis therefore represents an existential threat to the BBC.

Historical precedent

Allegations of political bias – generally that the BBC leans to the left – have existed for almost as long as the corporation has. Back in the 1920s, the government’s response was to impose restrictions on the type, amount and timing of news and current affairs coverage the BBC could broadcast.

The BBC had a monopoly on broadcasting at the time, and lawmakers worried what it would mean for UK politics if the BBC started to editorialise in support of one or other of the main political parties. As one early regulator put it: “Once you let broadcasting into politics, you will never be able to keep politics out of broadcasting.”

Yet others recognised that radio, and later television, were key means to disseminate news. The ban on “controversial” broadcasting could not last. The BBC itself pressed for the legal restrictions to be relaxed, and governments gradually gave way. By the outbreak of the second world war the BBC had become a significant, and increasingly trusted, source of news for audiences across the UK and around the world. After the war, it massively expanded its journalistic capacity and became the major news operation that it is today.

Yet allegations that the BBC was politically biased never disappeared. They reached a peak when Margaret Thatcher was prime minister. Thatcher believed that the BBC was unsympathetic to her political programme and to the Conservative party more generally. She particularly resented the corporation’s news coverage of the Falklands War, the Miners’ Strike, and the Troubles in Northern Ireland.

Thatcher used two strategies to bring the BBC into line. First, she sought to install a more sympathetic senior leadership team at the BBC. Two prominent Conservative supporters were put on the BBC board, with Stuart Ward as chair (replaced after his untimely death by another Thatcher loyalist, Marmaduke Hussey) and William Rees-Mogg as vice chair.

One senior BBC executive thought that Rees-Mogg acted less like a vice-chair, and “more like the leader of the opposition”. A long-running dispute over a BBC Panorama documentary broadcast in 1984 on far-right tendencies within the Conservative party allowed senior board members to oust director general Alasdair Milne.

The new regime at the BBC also drove through reforms designed fundamentally to change the way that the BBC worked. The corporation moved away from its old public sector ways of operating, towards commercialisation and outsourcing, in a bid to reduce costs and increase revenues. These reforms were championed by a new director general recruited from the private sector, John Birt. The wider aim was to reduce the monopolistic power of the BBC and allow more powerful commercial competitors to emerge. Birt also imposed a much tighter set of editorial guidelines on BBC journalists.

Thatcher even raised the prospect of abolishing the licence fee which funded the BBC. However, Professor Alan Peacock, the economist commissioned by the government to report on how to fund the corporation, shied away from recommending this drastic step.

What’s next for the BBC?

The BBC ultimately survived the existential threats of the 1980s. The price was radical transformation, as the BBC became leaner and increasingly driven by the need to generate commercial revenues to support its public service activities.

Some think that the current controversy reflects the attempts of previous governments to stack the BBC board with supporters, as Thatcher once did. The political loyalties of the next director general, and of any new appointees to the board, will as a result be intensely scrutinised.

Will charter review also involve fundamental reform of the way the BBC is governed and funded? The licence fee has become a lightning rod for hostility to the corporation and the future of this financing system is certainly in doubt.

In the coming battle over charter renewal, the outcome of debates about how the BBC is governed, and how it is funded, will determine what sort of BBC can survive past 2027. The next director general will need to restore public trust in BBC news, satisfy politicians that rigorous impartiality can and will be guaranteed, and navigate the financial challenges that may arise from potential legal settlements or the end of the licence fee system.

That is, of course, assuming that the BBC is able to learn the lessons of its own history, and adapt to survive its latest existential crisis.

The Conversation

Simon Potter received funding from the Leverhulme Trust, 2016-2019, for a research project on the history of international broadcasting.

ref. BBC has survived allegations of political bias before – but the latest crisis comes at a pivotal moment – https://theconversation.com/bbc-has-survived-allegations-of-political-bias-before-but-the-latest-crisis-comes-at-a-pivotal-moment-269464

John Lewis Christmas advert reveals music as a time machine that creates connection

Source: The Conversation – UK – By Helen Pleasance, Senior Lecturer in Creative Writing and English Literature, York St John University

The John Lewis Christmas advert has become as much a part of the festive season as tinsel and crackers. These adverts function as short films that don’t just sell products, they sell feelings. They work not through product placement but through sentiment, nostalgia and connection.

This year’s advert, which centres on a teenage boy buying his father a vinyl record, strikes a particularly resonant chord. The story invites us to think not only about family and festivity, but about how music and the technologies that carry it, allow us to travel in time and revisit the past, and to understand who we are.

At York St John University, our Music, Memory and Narrative Research Group has spent the past decade exploring exactly these questions. In Music, Memory and Memoir and Venue Stories, we gathered people’s stories of musical experience, not simply as nostalgic recollection, but as acts of constructing identity.

Through these projects, we discovered that when people tell stories about music, they are also telling stories about themselves: where they were and who they were and what this means for their older selves. These stories reveal how deeply music is woven into our sense of self and place. Music becomes, in effect, an emotional map of a person’s life.

Our current project, the forthcoming Turntable Stories, extends this exploration by focusing on the specific technologies of record players and vinyl. For those who grew up in the 1970s, 1980s and 1990s, the turntable was more than a playback device.

The act of placing the needle on the record, of flipping the disc and studying the sleeve notes, shaped how we experienced music as both sound and an object. In collecting these stories, one of the most poignant themes to emerge has been intergenerational connection. Vinyl records link parents and children, not only through shared listening but through the stories and memories embedded in the grooves.

Back in time

This theme sits at the very heart of this year’s John Lewis advert. The boy’s decision to buy his father a vinyl record is about more than a gift – it’s about recognition. The moment the record begins to play, his father is transported back to his younger self, moving to the rhythm of a 1990s dance banger.

The music collapses time. The father’s younger self flickers momentarily in the present, and in that moment the son glimpses his parent anew: as a person with a past, the music a soundtrack of his father’s youth. The advert gives us, in miniature, a father-and-son biography told through music, fusing memory, identity and affection.

Our research helps to explain why such a story resonates so powerfully. Music psychologists and cultural theorists alike have suggested that songs act as “time machines” of emotion. They allow us to revisit versions of ourselves long after the circumstances of those memories have faded.

In the process, listening becomes a form of autobiography. As our Turntable Stories contributors tell us, the act of hearing an old record often feels like a dialogue across time. In one chapter, author Amy McCarthy beautifully reverses the dynamic of the John Lewis advert. Rather than a son giving to a father, Amy’s father gives her a box of his old vinyl records from the 1980s, including the Smiths.

Thinking about how my dad experienced listening to The Queen is Dead at 24, I realise I know very little about my parents’ lives before they had children. I wonder what my dad thought the first time he brought this record home.

During the pandemic, she listens to these records as a 24-year-old, the imaginative act of listening across time becoming a way of understanding him and herself. The records offer a shared space of reflection where two 24-year-olds, separated by nearly four decades, coexist for the duration of a song.

Other contributors in Turntable Stories describe similar experiences of time folding, where the sound of an old record creates a bridge between past and present. To play a record is to perform memory. It reactivates not only what was heard but where, when, and with whom it was first experienced.

Author Prasad Bidaye’s chapter expands this discussion, exploring how records circulate within diasporic communities. As part of a second-generation Indian family in Canada, Bidaye describes how vinyl became a means of continuity, carrying fragments of cultural identity from one continent to another, discovering “the ways music creates community, especially for families like mine who never fully fitted into the North American mainstream, nor the one of our ever-growing Desi diaspora”.

The power of vinyl

These accounts remind us that vinyl is more than nostalgia. Its material qualities shape how memory works; it is the weight of the record, the sleeve art, the beer stain on the inner sleeve, the crackles and jumps in familiar places.

Unlike digital formats, which render music as infinitely reproducible and placeless, vinyl situates music in time and space. It invites a slower, more embodied engagement. To hold a record is to hold a fragment of the past, a tangible link to a moment that can be reactivated through listening.

So when the John Lewis dad drops the needle on that record, the emotional force of the scene is not accidental. It draws upon a shared cultural understanding of how music, memory and materiality connect.

What we witness is clever marketing, but it is also a meditation on how music allows us to reconnect. In the end, the John Lewis Christmas advert succeeds because it mirrors a truth at the core of our research: that music is one of the most powerful narrative technologies we possess.

The grooves of a record don’t just hold sound waves, they carry emotional inscriptions. Each play is a small act of storytelling, one that spins us backwards and forwards through time.

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The Conversation

The authors do not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.

ref. John Lewis Christmas advert reveals music as a time machine that creates connection – https://theconversation.com/john-lewis-christmas-advert-reveals-music-as-a-time-machine-that-creates-connection-269451

China is going to the Moon by 2030. Here’s what’s known about the mission – and why it matters

Source: The Conversation – UK – By Marissa Martin, Analyst, Science and Emerging Technology Team, RAND Europe

More than 50 years after the last time humans walked on the Moon, China is working steadily towards landing its astronauts on the lunar surface.

On October 30, 2025, a spokesman for China’s crewed space programme said the country was “on track” to launch its lunar mission by 2030. So how does China plan to send astronauts to the Moon?

Among legislators and senior figures in the US space sector, China’s progress towards a crewed lunar mission has generated concern. Some fear damage to America’s status as a spacefaring nation if China lands before Nasa’s effort to return astronauts to the Moon.

The US space agency’s Artemis III mission should send the first American astronauts to the lunar surface since Apollo 17 in 1972. It is scheduled to launch in 2027, but delays could bring it much closer to Beijing’s planned lunar flight.

The approaching date for China’s crewed Moon mission represents a remarkable trajectory for the country. Beijing launched its first astronaut, Yang Liwei, to space in 2003, aboard the Shenzhou 5 mission. China’s decades-long preparation for a lunar landing mirrors the milestones or “firsts” that characterised the space race between the US and Soviet Union in the 1960s and 70s.

China has moved from its first astronaut mission to launching a pair of astronauts, followed by a three person mission, which featured the first spacewalk for a Chinese astronaut. The country has since built a space station, Tiangong, in low Earth orbit. When the International Space Station is retired in 2030, it will leave China as the only country with a permanent outpost in Earth orbit.

On October 31, the Shenzhou 21 flight launched three crew members to the Tiangong orbital outpost. They took over operations from three other Chinese astronauts who have been on the space station since April 2025. Such crew rotations are now the norm for China and further demonstrate the country’s impressive capabilities as it prepares for the lunar mission.

However, the three departing astronauts’ return to Earth has been delayed after their capsule was hit by space debris. It’s a reminder that space is a hostile environment, however routine missions might appear to be.

The way that China has steadily built its presence in space highlights its technological prowess. Since the 1970s, China has developed more than 20 types of its Long March family of rockets – with 16 active today.

According to the state-run China Daily, Long March rockets have a 97% success rate. That falls just slightly under the SpaceX Falcon 9 rocket’s 99.46% success rate.

With its reliable launchers, China has been able to accurately plan and build realistic timelines for its space milestones. In August this year, China conducted a ground test of their newest Long March 10 model.

This model is meant to launch astronauts to the Moon aboard the next-generation Mengzhou crew capsule in 2030. This will replace the Shenzhou spacecraft which has been the workhorse for crewed missions up until now.

The spacecraft consists of two different sections, or modules: a crew module and a service module. The crew module carries the astronauts. The service module provides power, propulsion and life support for the crew module. The modular design allows it to be tailored to meet the requirements of different missions.

Officials envisage two versions initially: one for use in Earth orbit to ferry astronauts to and from the Tiangong space station and a deep space version designed for lunar missions.

The crew module will be able to carry up to six astronauts compared to Shenzhou’s three. The first flight for the Mengzhou spacecraft, without crew, is scheduled for next year.

Mengzhou will also carry a lunar lander, called Lanyue. This name originates from a poem written by the late Chinese head of state Mao Zedong and translates as “embracing the Moon”. Lanyue consists of two segments, a landing stage and a propulsion stage.

The landing stage carries the crew. The propulsion stage carries fuel for the landing and separates during the final stages of touching down on the Moon. Lanyue will weigh nearly 26 tonnes and will accommodate two astronauts for the trip to the lunar surface.

Testing of the lunar lander has been underway since 2024. A robotic prototype
is scheduled for trials in 2027 and 2028 and an uncrewed Mengzhou-Lanyue mission is planned for 2028 or 2029, ahead of the full crewed mission to the lunar surface in 2030.

In 2024, the China Manned Space Agency (CMSA) also unveiled the spacesuits designed to be used by astronauts on the Moon. At the unveiling event in Chonqing, a technician wearing the suit demonstrated its range of motion by crouching, bending over and climbing steps.

China unveils spacesuits for walking on the Moon.

China will build on its successful robotic lunar exploration programme, which has already delivered several major milestones. These include the Chang’e-6 mission’s delivery of the world’s first samples from the far side of the Moon in June 2024, via a robotic probe. This headline-grabbing breakthrough underscored China’s growing technological reach in space.

China’s path to the Moon is realistic, feasible, and most importantly on track. Their multi-decade history in space means that it not only has the necessary know-how, but it also has what many other nations do not: a clear vision and deep pockets.

China was the second highest spender on government space programmes in 2024, though its US$19 billion spend was a remarkable US$60 billion less than that spent by the US. Its missions, at least on the face of it, are also subject to far less disruption through changing political winds.

A crewed Chinese lunar landing will carry profound symbolism, especially if the country gets there before Nasa’s planned return mission. But such a feat would go beyond simple prestige: “The countries that get there first will write the rules of the road for what we can do on the Moon,” former Nasa Associate Administrator Mike Gold told a recent US Senate hearing.

A Chinese Moon landing would enable the country to start shaping the rules, the research agendas and the geopolitical landscape of this new era in space.

The Conversation

Marissa Martin does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. China is going to the Moon by 2030. Here’s what’s known about the mission – and why it matters – https://theconversation.com/china-is-going-to-the-moon-by-2030-heres-whats-known-about-the-mission-and-why-it-matters-269306

How Nigeria’s grazing law also shapes land divisions and violence

Source: The Conversation – Africa (2) – By Victor Onyilor Achem, Researcher, University of Ibadan

When Nigeria’s Benue State Anti‑Open Grazing Law was passed in 2017, it brought hope that pastoralist herders would move to ranches, farmers would gain peace, and violent conflict between herders and farmers would ease.

The law banned the open grazing of livestock and required herders to establish ranches instead. It introduced fines, jail terms, and a livestock-guard task force to monitor compliance, shifting livestock management from communal routes to fenced ranches.

For decades, tensions between farming and herding communities across Nigeria’s Middle Belt have erupted into deadly violence.

As farmland shrinks and grazing routes disappear, competition over land, water and survival has intensified. Thousands have been killed, and more than two million people have been displaced. These conflicts are not just about cattle or crops; they are about identity, belonging and the struggle for power in a nation where religion and ethnicity often overlap with politics.

I study these dynamics as a sociologist whose work cuts through identity-driven conflicts and local peacebuilding. In a recently published study I show that the outcome of the Benue State Anti‑Open Grazing Law has been far more complicated than envisaged.

My research involved 40 interviews and focus groups in Benue’s most affected districts. It found that while the law against open grazing reduced crop destruction, it also deepened mistrust and exclusion. Farmers saw it as protection; herders saw it as punishment.

Based on my findings, I argue that the crisis is a governance failure amplified by politicised faith narratives and elite opportunism. A local land-use dispute has been reimagined internationally as evidence that Nigeria is fracturing along religious lines. Unless policy becomes more inclusive, this perception could grow, risking new waves of division and violence.

Why the law faltered

The anti-open grazing law in Benue was intended to curb the roaming of cattle across farmlands, reduce conflict, and protect sedentary farming communities. But the design overlooked key issues: it expected herders – many of them nomadic, landless and low-capital – to invest in ranches with minimal support.

Meanwhile, the enforcement architecture exhibited weakness. Livestock guards lacked resources, and coordination between Benue state government and the federal government broke down, leading to a strained relationship between levels of government.

The challenge is that agriculture and policing fall under shared jurisdiction in Nigeria. The state could legislate but not easily enforce without federal backing. The federal government, led at the time by a Fulani president, saw the law as discriminatory, while Benue leaders viewed federal hesitation as betrayal. The standoff left the law largely unenforced.

Even when enforced, the law punished mobility but offered scant alternatives. My field data showed herders feeling criminalised, farmers feeling abandoned, and both sides interpreting the law through existential lenses. Both farmers and herders saw it as a struggle for survival, one group fighting to defend ancestral land, the other to preserve livelihood and identity.

When land becomes identity

In contexts like central Nigeria, land is more than soil: it is identity, history and power. Farmers, mostly Christian crop growers, view the grazing law as an instrument of protection. Herders, often Fulani and Muslim, perceive it as a threat to their way of life. The herders have followed transhumant grazing routes for centuries, moving with the seasons. Their mobility predates Nigeria’s borders and remains vital to their culture and economy.

When open grazing is punished, and when governance fails to bridge the divide, disputes over pasture and farmland become charged with religious and ethnic meaning.

In this terrain, the narrative of a “religious genocide” gains traction, a narrative that coincides with the US designation of Nigeria as a country that fails to protect religious freedom. US president Donald Trump threatened military action unless Nigeria “stops the killing of Christians”.

But the truth on the ground is more nuanced. Analysts point out that both Christian and Muslim communities have suffered repeated attacks across different regions. Conflict over land, pastoral mobility and weak governance often overlap with religious fault lines, but are driven by deeper forces like land scarcity, climate stress, and weak governance. Religion explains the rhetoric, not the root cause.

How grazing policy and faith conflict connect

The grazing law’s failure matters because it becomes part of the faith conflict story. When the state is seen to favour one set of communities, the other sees exclusion.

When violence between farmers and herders is portrayed in religious terms, such as “Christians under siege” and “Muslim herders as invaders”, the law meant to protect becomes a symbol of division.

In other words, the anti-grazing law was never only about cattle. It became a law about belonging, rights, who gets to claim the land, and whose identity is recognised.

The US reaction exacerbates this division by implying that one group is the victim and the other is the perpetrator. That framing may help some voices gain global attention, but it can also harden local fault lines.

What must change

If Nigeria and its states are to prevent this conflict from becoming a faith-war, several things must shift:

  • Inclusive policy-making: Pastoralists must be genuinely part of policy design, not just regulated. Mobility, traditional rights and modern ranching must be reconciled.

  • Stronger federal-state cooperation: Nigeria’s constitution splits agricultural and policing powers. States can legislate but depend on federal agencies for enforcement. Clearer coordination and funding are essential.

  • Narrative formation: Policymakers, media and international actors must avoid reducing complex land and livelihood struggles into simple faith wars. Accurate data, inclusive language and community voices matter.

  • Trust building at the local level: Mechanisms such as locally led peace committees, shared grazing agreements and conflict-sensitive land-use planning have to be empowered.

Why it matters globally

Nigeria is Africa’s most populous country, a multi-faith, multi-ethnic democracy, and a test case for how modern states negotiate change, tradition and identity.

The US decision to label Nigeria a “country of particular concern” has grabbed headlines, but the core of the issue lies in how Nigerians farm, herd, travel, claim land, and build peace.

If Nigeria fails to turn its land and livelihood fault lines into inclusive governance, then the risk is not simply more violence, it is a deeper fracture in which laws become weapons of identity, and international declarations feed local fears.

Conflict won’t stop because rhetoric picks up speed; it will stop when policy, law and identity converge in a way that recognises everyone’s belonging.

In the end, the question is not simply whether more laws are passed or whether the US sanctions Nigeria. It is whether communities in Nigeria feel protected or whether laws and external pressure leave them feeling excluded.

The Conversation

Victor Onyilor Achem does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. How Nigeria’s grazing law also shapes land divisions and violence – https://theconversation.com/how-nigerias-grazing-law-also-shapes-land-divisions-and-violence-268923

Who speaks for the dead? Rethinking consent in ancient DNA research

Source: The Conversation – Africa (2) – By Victoria Gibbon, Professor in Biological Anthropology, Division of Clinical Anatomy and Biological Anthropology, University of Cape Town

Would you choose to have a part of your body live on after you died? How might your choice affect your relatives – or even your entire community?

The first is a question people face when they donate organs. The second comes up when they participate in genetic research. This is because DNA from even a single individual can reveal a web of relationships, even helping law enforcement to solve crimes committed by distant relatives they have never met. And as you continue to go back in time, the web becomes ever more tangled.

DNA is the unique genetic material of every living being on the planet. It can be “immortalised” for an unforeseeably long time in digital genetic libraries which contain the genomic information not only of that person, but also their ancestors and descendants.

Ancient DNA (referred to as aDNA) involves the study of genetic material from organisms that lived long ago, including humans. Geneticists, archaeologists, anthropologists and historians are using aDNA research to gain unprecedented insights into human history, but the knowledge benefits different groups of people unevenly. Also, it can be destructive because aDNA is normally extracted from small samples of bones or teeth. And who can give permission on behalf of people who lived many generations in the past? Once spoken for, what measures can be used to ensure their wishes continue to be honoured?

Africa is the ancient origin of all humans, as evidenced by having the highest human genetic diversity of any continent or region found today. In other words, all humans carry DNA from deeply rooted shared African ancestry. This makes African DNA (ancient and modern) a rich resource to draw on to understand what makes us human. However, understanding human variation and our origins involves research embedded within living communities and communities are the solution to conservation and the future of work in our disciplines.

Once it is decoded, the genetic information can last forever, so it could be used by anyone, for any purpose, for generations to come. Companies in the pharmaceutical industry, for example, could use it. As this science advances at an astonishing pace, ethical and legal frameworks guiding it struggle to keep up. No country has standards applying specifically to the field of aDNA. Therefore, ethical guidelines appropriate for this work need to protect past, present and future generations.

Consent is not yet universally mandated nor typically obtained in aDNA research, despite growing awareness of its importance over the past two decades. What is more, the concept of “informed consent” as developed in the clinical medical world is deeply rooted in a western idea of individual autonomy. It assumes that most medical decision-making occurs by individuals, rather than communities. And there are challenges applying it to people who are no longer alive.

That’s why, in our recent paper, we argue for using “informed proxy consent” or “relational autonomy consent” in human aDNA research. This is when living people through relation and/or relationship to a deceased person or people can make decisions and provide consent on their behalf, as a proxy or stand-in. The relationship could be through gender, race, religion, sociopolitical or sociocultural identities, or biological. DNA is also susceptible to data mining, machine learning and statistical analysis to uncover patterns and other valuable information. The deceased may be represented by living people who are affected by the research.

Different social, political, cultural and economic contexts make it impossible to create a universal set of specific guidelines. But four principles can apply: honesty, accountability, professionalism, and stewardship.

In our paper, we outline a set of considerations for obtaining proxy informed consent for the long deceased. A system of consent could enrich research by using it in potent new ways, empowering people affected by research, protecting researchers from ethical breaches and building long-term, equitable partnerships.

The solution

We propose that consent for the use of human aDNA in research should be a community-driven process. Instead of individuals signing off on behalf of the deceased, living people connected to the deceased persons, whether through ancestry, geography, cultural knowledge, or custodianship, act as representatives. This recognises that people are part of communities, and that authority to consent must reflect social and cultural context, not just individual choice.

This kind of approach was applied in South Africa’s Sutherland Nine Restitution, when nine San and Khoekhoe ancestors were taken from their graves in the 1920s and sent to the University of Cape Town for medical education and research. Almost 100 years later, they were finally brought home to their community.

In the Malawi Ancient Lifeways and Peoples Project, one way archaeological research results are communicated to community members is through site visits such as the one below, which included traditional authorities, local and national government officials, academics and students. Community consultation became so normalised through this work that some traditional leaders began to ask researchers how aDNA might aid their own goals of restitution and historical reconstruction.

How it would work

One major lesson from studying the past is that things can change a lot. We do not expect that there will be clear cultural or biological continuity in every place or every time. And identifying appropriate descendant communities and determining who has the authority to consent can be complex. But local communities are often invested in research results, and they have a right to high-quality information about its consequences. Consent should be treated as a process, not a one-off event.

This begins in the planning stage, with researchers sharing a draft proposal and revising it based on community input. They must be transparent about who is funding the project, what techniques will be used and what the possible risks and benefits are. This is not only for science, but for the people connected to the deceased persons.

Clear communication is vital, and information should be provided in local languages and formats that are easy to understand. Communities should be given time to reflect without researchers present. Feedback must be taken seriously, and projects adapted accordingly. Crucially, communities need retain control over how data is stored, used and shared.

Finally, engagement should continue throughout the life of the project. Researchers should share findings before publication and return for fresh consent if using data in new ways.

We recognise that the process is demanding. It requires time and financial resources for pre-research consultation and ongoing engagement, which can be slower than academic expectations for rapid publication. But funders and research institutions need to understand that the time taken to build community partnerships with living descendant communities is an essential and enriching foundation for ethical research.

The Conversation

Victoria Gibbon receives funding from the South African National Research Foundation.

Jessica Thompson has received funding from the U.S. National Science Foundation, Leakey Foundation, Wenner-Gren Foundation, and National Geographic Society.

Sianne Alves does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. Who speaks for the dead? Rethinking consent in ancient DNA research – https://theconversation.com/who-speaks-for-the-dead-rethinking-consent-in-ancient-dna-research-265539

NHS trials AI tool for faster prostate cancer diagnosis

Source: The Conversation – UK – By Justin Stebbing, Professor of Biomedical Sciences, Anglia Ruskin University

Peakstock/Shutterstock.com

The NHS is embarking on a trial that could cut prostate cancer diagnosis times from weeks to a single day. The initiative uses artificial intelligence to analyse MRI scans, potentially transforming care for men with the most commonly diagnosed cancer in England.

Up to 15 NHS hospitals, including Leeds Teaching Hospitals NHS Trust, will pilot the system over the coming months, processing around 10,000 MRI scans. If successful, it could be rolled out nationally – though questions remain about accuracy, costs and whether faster diagnosis always means better outcomes.

The trial represents the NHS’s latest attempt to address both the emotional toll of prolonged uncertainty and the practical problem of late diagnoses that have long characterised prostate cancer care. For many men, the wait between initial suspicion and confirmed diagnosis is marked by weeks of anxiety, often while the disease progresses unchecked.

Currently, men suspected of having prostate cancer face a lengthy process. After a GP referral, it can take days or weeks to get an MRI scan, have it interpreted by a radiologist and undergo a follow-up biopsy if needed. A national shortage of radiologists has created significant bottlenecks, with some men waiting over a month for results.

The AI system changes this timeline. Once a man has had his MRI scan, the software analyses the images in minutes. Building on major researchstudies, it identifies abnormal areas and generates a probability score, mapping the exact location of suspicious lesions in the prostate.

When the software flags a scan as high-risk, it is immediately prioritised for review by a human radiologist, and the patient can be booked for a biopsy the same day. For lower-risk scans, men could receive reassuring news almost immediately rather than enduring weeks of anxious waiting.

The system aims to deliver what clinicians describe as accuracy and speed that rivals traditional methods. In some settings, AI analysis has matched or exceeded human radiologist performance, though real-world implementation will test whether laboratory results translate to busy NHS hospitals.

Older man talking to his GP.
After a GP referral, some men can end up waiting weeks for a result.
Monkey Business Images/Shutterstock.com

The case for speed

Prostate cancer is now the most commonly diagnosed cancer among men in England, with about one in eight men expected to be affected in their lifetime. The number of diagnoses has risen steadily, and too many men are still diagnosed when the disease is already advanced, making survival less likely and treatment more challenging.

Reducing diagnostic delay could save lives, though diagnosing some cancers earlier isn’t always better. Some slow-growing prostate cancers may never cause symptoms or shorten life, and early detection can lead to unnecessary treatment and its associated side effects. The challenge is distinguishing aggressive cancers that need urgent intervention from those that can be safely monitored.

There is also troubling variability in cancer diagnosis across the UK, with significant differences in waiting times and outcomes depending on where a patient lives. By making specialist analysis instantly available regardless of whether a hospital has a subspecialist radiologist on hand, every man, regardless of location, could theoretically benefit from the same standard of diagnostic assessment.

The system also promises to ease pressure on NHS teams. By handling initial MRI interpretation, the AI frees up radiologist time to focus on complex or urgent cases. This matters particularly given workforce pressures – the NHS has struggled to recruit and retain enough radiologists to meet growing demand.

As the NHS seeks to do more with strained resources, AI-driven tools have the potential to save time and money.

The AI won’t work alone

The technology is designed to work alongside clinicians rather than replace them. AI acts as a “second reader”, complementing radiologist expertise to ensure nothing is missed. The aim is faster and more reliable decisions – sparing men unnecessary biopsies for benign conditions while swiftly directing those with troubling signs to the right care.

This partnership approach is considered crucial. Although AI can process vast amounts of imaging data rapidly, human judgment remains essential for interpreting results in the context of each patient’s individual circumstances, medical history and symptoms. The technology is not intended to make final diagnostic decisions, but to augment clinical decision-making.

Recent research suggests that most men would welcome the invitation to take part in a national screening programme, countering assumptions about reluctance to engage with health checks. As confidence grows in AI-powered diagnostics, this could encourage more men to come forward for testing, potentially catching cancers earlier in those most at risk.

Whether the pilot delivers on its promise of reducing the time from referral to diagnosis – and whether speed translates to better outcomes – will become clearer over the coming months. The results will be closely watched by other health services considering similar approaches.

The Conversation

Justin Stebbing does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. NHS trials AI tool for faster prostate cancer diagnosis – https://theconversation.com/nhs-trials-ai-tool-for-faster-prostate-cancer-diagnosis-268932

Poor heart health in middle age linked to dementia in old age – new study

Source: The Conversation – UK – By David C. Gaze, Senior Lecturer in Chemical Pathology, University of Westminster

ClareM/Shutterstock.com

For generations, medicine treated the heart and brain as separate domains. However, a new study suggests the two are more closely connected than we thought, especially as we age.

A 25-year study of nearly 6,000 adults found that subtle heart muscle damage in middle age predicts dementia risk decades later.

The research, known as the Whitehall study, tracked UK civil servants aged 45 to 69 and measured levels of a protein called “cardiac troponin I” in their blood. Troponin I appears in the blood when heart cells are damaged and is used to help diagnose heart attacks.

The protein is detected using a standard blood test. These tests have become more sensitive in recent years, so even very small amounts of troponin can now be detected – levels far below those seen in a heart attack – and these small changes can signal many other conditions.

In the Whitehall study, people with the highest levels of troponin I in midlife were 38% more likely to be diagnosed with dementia later in life than those with the lowest levels. These small increases don’t cause obvious symptoms, such as chest pain, but they suggest the heart is under strain even if a person feels fine.

Over 25 years, people with higher starting troponin levels were more likely to develop dementia than those with lower levels. For every doubling of troponin, dementia risk rose by 10%, even after considering age, sex, blood pressure, cholesterol, diabetes and other cardiac risk factors.

Fifteen years into the study, MRI brain scans of 641 participants showed clear differences. Those who had the highest midlife troponin levels had smaller grey-matter volume and more shrinkage of the hippocampus, the area important for memory, compared with the low troponin group. This was similar to around three extra years of ageing in the brain.

Why does heart health in your 50s foretell brain decline decades later? The answer lies in circulation.

The brain relies on a constant, rich blood supply. If the heart pumps less efficiently, or if the arteries are stiff and narrow due to atherosclerosis, the brain’s delicate network of small vessels become starved of oxygen. This chronic low-grade damage can accelerate the processes that lead to dementia.

The same study found that people with higher midlife troponin levels also experienced faster declines in memory and reasoning over time. By age 90, their cognitive performance was equivalent to that of people two years older than those with lower troponin levels.

Matters of the heart

These results fit neatly with what is already known. The 2024 Lancet Commission on dementia estimated that 17% of dementia cases could be prevented or delayed by improving cardiovascular health, through lowering blood pressure, managing cholesterol, staying active, and avoiding smoking and excess alcohol.

Likewise, an earlier analysis from the same Whitehall cohort showed that people with good cardiovascular health at age 50 were less likely to develop dementia 25 years later. Taken together, the message is simple: what’s good for the heart is good for the brain.

The two organs share a vascular network, and damage to one inevitably affects the other. Yet the long time lag uncovered by the Whitehall study suggests that troponin elevations seen up to 25 years before dementia onset, pathological processes linking the heart and brain start far earlier than first thought.

Troponin explained.

Raised troponin doesn’t guarantee dementia. Levels can fluctuate with age, kidney function or even after vigorous exercise. But as a population marker, troponin may identify people whose cardiovascular systems are already under stress while they still feel healthy.

The idea that a single blood test in middle age might one day help flag those at higher risk of cognitive decline is appealing, not as a diagnosis but as an early warning.

Medicine often divides the body into organ systems, each treated in isolation. This study reminds us that biology doesn’t respect those boundaries. A struggling heart doesn’t just affect circulation – it may, quietly and imperceptibly, change the brain’s future too.

The Conversation

David C. Gaze does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. Poor heart health in middle age linked to dementia in old age – new study – https://theconversation.com/poor-heart-health-in-middle-age-linked-to-dementia-in-old-age-new-study-269324

LUX: the tradition of the troubadour is at the heart of Rosalía’s songwriting

Source: The Conversation – UK – By Hussein Boon, Principal Lecturer – Music, University of Westminster

Spanish singer-songwriter Rosalía’s highly anticipated album LUX has been met with widespread acclaim from critics and fans alike. It’s a fusion of ideas drawn from diverse storytelling traditions, cultures and languages, offering a rich tapestry that rewards repeated listening.

The album explores perennial themes – love, betrayal, abandonment – alongside spiritual and divine motifs. The result is a pop record with substance and bite. Critics have debated whether LUX should be classified as pop or classical music.

But this binary misses the point. The presence of operatic, orchestral and symphonic influences and flourishes doesn’t necessarily make the album classical any more than driving a high-performance car makes someone an F1 driver.

What LUX demonstrates is Rosalía’s attention to detail, technical mastery and stylistic fluency. Much of this was honed through nine years of rigorous training at the prestigious Escola Superior de Música de Catalunya school in Barcelona.

The video for the first single, Berghain, exemplifies Rosalía’s visual and narrative expressiveness. It melds high fashion and urban grit reminiscent of films like The Cook, The Thief, His Wife and Her Lover (1989) or The Devil Wears Prada (2006).

In the video, Rosalía can be seen carrying out everyday activities – like ironing or going to the doctor – within grand, orchestral settings. This creates a surreal yet relatable tableau, a recurring aspect of her videographic work with director Nicolás Méndez.

Speaking about the project, Méndez has highlighted the influence of Rosalía’s sister, Pili, who is integral in these shared projects. Rosalía recalled a tense discussion with her sister about Motomami, which forced her to reflect on why she made music and the depth of feeling she conveyed in her songs and recordings.

Lead single Berghain.

Multilingualism is another hallmark of LUX, which features songs in 14 languages, including Catalan, Mandarin, Ukrainian and English. Languages are used to support one of the album’s most compelling devices – its use of sainthood as a multifaceted storytelling vessel.

Rosalía draws inspiration from female saints worldwide, not only from Judeo-Christian traditions but also from Islam, Hinduism and Taoism. These figures allow her to explore the tension between earthly hardship and spiritual transcendence. The stories offer a framework through which personal and collective struggles are elevated to the divine.

Rosalía is no stranger to literary adaptation. Her 2018 song Malamente, from the album El Mal Querer, fused flamenco with contemporary R&B and hip-hop production. It drew on the 13th-century Occitan romance Flamenca, a tale of love, jealousy and courtly intrigue.

In Flamenca, the titular noblewoman is imprisoned by her jealous husband Archambaut, but she orchestrates a secret romance with the knight Guillaume, outwitting her captor. Rosalía’s adaptation of this story in both song and video underscores her commitment to storytelling as a central artistic practice.

Rosalía the troubadour

At the heart of Rosalía’s work lies an older tradition: the troubadour. These poet-musicians, including women known as trobairitz, composed some of the earliest vernacular songs of courtly love.

As expert in material culture in medieval texts E. Jane Burns has noted, these love songs often served as “an expression of female resistance to marital, moral, and legal constraint”. This historical lens reframes lyrics of love and devotion as a site of agency and defiance; ideas that resonate deeply in Rosalía’s work.

Malamente by Rosalía.

Some listeners may argue that LUX should be recognised as classical, especially with an eye towards awards season. However, it may be more accurate to say that it draws from classical traditions – musical, literary and visual – while remaining firmly rooted in popular culture.

It is essential to remember that flamenco, a disciplined folk form, serves as the foundation for her work, both technically and emotionally, while literary references and saintly iconography enhance the narrative.

Rosalía’s ability to weave sound, story, and spectacle into a cohesive whole exemplifies what popular music can achieve when at its best: a space where tradition and innovation meet, and where the personal becomes universal. No wonder Madonna has called her a “true visionary”.


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The Conversation

Hussein Boon does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. LUX: the tradition of the troubadour is at the heart of Rosalía’s songwriting – https://theconversation.com/lux-the-tradition-of-the-troubadour-is-at-the-heart-of-rosalias-songwriting-269429