Health Check

Women with dense breasts are four times more likely to develop breast cancer than women with low breast density and it's also harder for cancer to be detected with existing screening methods. But now, the findings in a new study could dramatically improve the chances of having the disease spotted early on. We speak to the study's lead author is Professor Fiona Gilbert to find out more.The 2025 World Health Assembly has just concluded, Devex Correspondent Andrew Green was there and tells us what the main takeaways were.Dr Cecilia Kanyama and Professor Thomas Harrison share their decades-long effort to improve treatment options for cryptococcal meningitis. The refined treatment regimen, discovered alongside Joe Jarvis and their team, gives hope to the hundreds of thousands of HIV-positive patients who are diagnosed with this fungal infection each year.Finally, researchers have developed contact lenses that enable to wearer to see near-infrared light. How do they work and what could they be useful for?Presenter: Claudia Hammond Producers: Hannah Robins & Louise Orchard Studio Managers: Mike Mallen & Andrew Garratt

A new anti-malarial compound has been designed to target disease-causing parasites responsible for up to 90% of malaria cases in humans. Stephanie Tam reports on a new online training programme designed to help address the mental health care gap in the Kurdistan Region of Iraq that is heavily impacted by conflict. Donald Trump has signed a new executive order aimed at lowering the price the US pays for medicines. We look at what is included in the order, why drug prices vary around the world, and what impact this motion could have on US and global prices paid for medicines. Dr Cecilia Kanyama and Professor Thomas Harrison share their decades-long effort to improve treatment options for cryptococcal meningitis. The refined treatment regimen, discovered alongside Joe Jarvis and their team, gives hope to the hundreds of thousands of HIV-positive patients who are diagnosed with this fungal infection each year.Finally, ‘scorpionism' - or the medical condition caused by a scorpion sting, is rapidly on the rise in Brazil, we look at what is driving this increasing health threat. Presenter: Claudia Hammond Producers: Hannah Robins & Katie Tomsett Studio Managers: Gavin Wong & Steve Greenwood

Claudia is joined by Caroline Williams to learn about the cutting-edge science of interoception – that's how the brain interprets signals that come from inside our body. We find out how honing this skill can sometimes be helpful and why at other times it can have a negative impact on us. Tuberculosis remains one of the deadliest infectious diseases worldwide but in Malawi a stage 3 trial is under way to develop a new vaccine. Our reporter Carrim Mpaweni checks-in on the trial's progress. Also on the show, Claudia speaks to psychotherapist Sophie Scott about how to persuade a loved one to get professional help when they don't want to.Presenter: Claudia Hammond Producers: Katie Tomsett & Helena Selby Studio Manager: Giles Aspen

Receiving a specific type of shingles vaccine may provide a 23% lower risk of cardiovascular events like stroke or heart failure for up to 8 years. With reports of other shingles vaccines protecting against the risk of dementia, scientists are trying to understand the mechanism underlying these unintended benefits.The WHO aim to eliminate the neglected tropical disease schistosomiasis from endemic countries by 2030, we investigate what might be standing in the way of this goal. After 18 years and over 200 snake bites, key protective compounds have been identified in Tim Friede's blood with the potential to make a snake antivenom with “unparalleled” protection. Also on the show, a trial led by Professors Adalsteinn Gunnlaugsson and Per Nilsson has shown that a prostate cancer treatment regimen that takes two-and-a-half weeks is as safe and effective as longer 8-week courses, ten years on from treatment. Plus, if you have celiac disease should you be worried about kissing someone who has just eaten gluten? A new study looks at how much gluten is exchanged in a kiss. Presenter: Claudia Hammond Producer: Hannah Robins Assistant Producer: Katie Tomsett Researcher: Tabby Taylor Buck Studio Managers: Cath McGee and Sarah Hockley

Amidst conflict in Sudan, the world-leading Mycetoma Research Centre in Khartoum has been destroyed. We talk to the centre's founder to find out what this means for research into the neglected disease and the struggle to proving ongoing support for patients. As the Pan American Health Organization put into action lessons from the Covid-19 pandemic they share with us new telehealth services designed to reach the most remote communities across the Americas. Also on the show, a reversible and non-hormonal male contraception implant has proven effective in trials lasting two years. Plus, how does the body respond when switching from a Tanzanian heritage diet to a more processed diet? And can gradual exposure to peanuts desensitize adults with severe peanut allergies? Presenter: Claudia Hammond Producer: Hannah Robins Assistant Producer: Katie Tomsett Studio Managers: Emma Harth and Dyfan Rose

After 3 years of discussions, 194 member countries of the World Health Organisation have agreed to the text of a pandemic treaty designed to make the world safer from a future pandemic – but what could it mean in practice and how are countries held to account? Also on the show, how treating high blood pressure can reduce the risk of dementia. Researchers have suggested it takes more than just medication; lifestyle changes are also key to lowering the risk. We learn how Oropouche is underdiagnosed across the Americas and the impact climate has on the spread of this insect-borne virus. Plus, a new weight loss pill has been found to reduce weight and blood sugar levels in its latest trial. Has an anecdote you read online or heard from a friend ever changed how you feel about the medical choices you make? We hear about the power of anecdotes, especially negative ones, when making a decision for your own health. Presenter: Claudia Hammond Producers: Katie Tomsett & Hannah Robins Studio Manager: Emma Harth Production Co-ordinator: Josie Hardy(Image:Co-chair of the negotiations and French ambassador for Global Health Anne-Claire Amprou (L) and WHO Director-General Tedros Adhanom Ghebreyesus after a consensus on the Pandemic Agreement at the WHO headquarters. Credit: CHRISTOPHER BLACK/World Health Organization/AFP via Getty Images)

Has the long-standing mystery of which wild animals form a reservoir of mpox in the wild finally been solved? Some scientists think they have cracked the case, pinpointing the fire-footed rope squirrel as the culprit, but questions remain before we can definitively say this species is to blame. Reporter Chhavi Sachdev in Mumbai has some good news – an indigenous antibiotic breakthrough has been found to be effective at treating antibiotic resistant pneumonia. We hear what it takes to develop a new antibiotic and what makes Nafithromycin such a ground-breaking discovery. Also on the show, the biological mechanism that drives apathy and lack of motivation in late-stage cancer patients and how nature-based interventions, such as agroforestry, have unintended health benefits.Plus, have you ever wondered why humans can't regenerate our teeth? We hear how some scientists are growing teeth in a lab to transform dental regeneration in the future.Presenter: Claudia Hammond Producer: Katie Tomsett Studio Managers: Searle Whittney and Jackie Margerum

What would you do if you have always considered yourself healthy and one day you find out that not only is this not the case, but you in fact need a new organ? We follow BBC journalist Mike Powell on his journey to receive a life-changing kidney transplant and talk to his donor who made it all possible.With a growing global need for kidneys, we hear from others around the world that are on long transplant waiting lists and from Professor Elmi Muller who shares what we can do to reduce the wait time. Presenter: Claudia Hammond Producer: Katie Tomsett Studio Managers: Jackie Margerum and Gwynfor Jones

‘Friendship benches', a mental health intervention first piloted in Zimbabwe, are now being handed over to the government in that country. It is hoped that this will allow the program to become more widespread.Also on the show, a new device can convert brain signals to speach in nearly real time for those who have been paralysed, a medicine for rare genetic disorders could also make human blood deadly to mosquitos, and the US Food and Drug administration has approved a new first-in-class antibiotic for uncomplicated urinary tract infections.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

What does it feel like to be part of a study which might have its funding cut? Marty Reiswig has a rare genetic mutation that means he will get Alzheimer's disease in his forties or fifties. For fifteen years he's been part of medical studies into his condition, but now, with the NIH announcing funding cuts, he's worried the studies will stop. Also on the program, would you do CPR on another bystander? A new study finds that speed of response – not how trained you are – is what's important. So how can we get more people doing this live-saving measure? And MRI imaging indicates that babies might actually be encoding memories. So why can't we remember what it was like to be that young? Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

A federal judge has said the shuttering of USAID is ‘likely unconstitutional', while the Trump administration has been ordered to pay back bills for USAID. But what difference is this making on the ground? Global health journalist Andrew Green is in Uganda finding out. Also on the show, a new safety trial shows yearly injections of the drug lenacapivir may be able to prevent HIV transmission, and PCOS and endometriosis are two fairly common gynecological issues, but could they also lead to cardiovascular issues?Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

The Americas are in danger of losing their measles elimination status as the disease spreads due to under vaccination. Also on the show, a study finds that continuous glucose monitors may be overestimating blood sugar levels in healthy adults. And it's been ten years since Brazil experienced and epidemic of microcephaly due to the Zika virus. What have we learned in that time? Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

As the Trump administration cuts 90% of programs funded by the US Agency for International Development, we look at the effect on global health. Also on the program, violence in the Democratic Republic of Congo is hindering the country's ongoing MPox response – just as a new, more transmissible strain is discovered. And, a look at an initiative trying to improve women's mental health in Guatemala.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins Assistant Producer: Katie Tomsett

Encephalitis can be a debilitating condition, but many people have never even heard of it. A new global report looks at how we can improve diagnosis and treatment.Also on the program, new research seems to indicate that antidepressents might speed cognitive decline in dementia patients, but do they really? We take a closer look at some of the caveats. And a gene therapy for toddlers who have gone blind is showing some promise, we'll look into what this could mean for future treatments. Presenter: Claudia Hammond Producer: Katie Tomsett and Margaret Sessa-Hawkins

The global need for medical oxygen is high, but there are huge gaps in safe and affordable access. The first report of its kind identifies not only who is most vulnerable, but how the world can strengthen the supply of medical oxygen to improve public health and pandemic preparedness. We hear first-hand the impact of the USAID freeze on health clinicians in practice. And we learn how health systems are rebuilt after conflict, integrating resilience to protect them against future shocks.Also on the show, can weight-loss drugs curb alcohol addiction? Plus, scientists discover it is not just your tongue that can taste sweetness - sweet taste receptors have been found on the heart, and they could play a role in heartbeat regulation. Presenter: Claudia Hammond Producer: Katie Tomsett

Do you look back on the past with rose-tinted spectacles, memories of the good old days accompanied by warm, fuzzy feelings? Or when you reflect on the past is it hard to do so without a tinge of sadness? Whether you fall on the more bitter or more sweet side, this is the bittersweet feeling of nostalgia. But nostalgia was not always just a feeling. Historian Agnes Arnold Forster tells Claudia and the panel that once it was viewed as a disease so deadly that it appeared on thousands of death certificates. And now this poignant emotion stirs political action, bonds us to others, and guides our very understanding of ourselves.Our expert panel of psychologists; Peter Olusoga, senior lecturer in psychology at Sheffield Hallam University, Daryl O'Connor, professor of psychology at the University of Leeds, and Catherine Loveday, professor of cognitive neuroscience at the University of Westminster, join Claudia in the studio to discuss how leaning into nostalgia can help us feel better, reduce pain, and even inject a bit of romance into life.Presenter: Claudia Hammond Producer: Lorna Stewart Assistant Producer: Katie Tomsett

As Guinea becomes the latest country to eliminate sleeping sickness, how close are we to defeating the disease completely? Also on the program, what does a massive shakeup at the US Agency for International Development mean for global health? And a new discovery is shedding a bit more light on a neural fossil in our ears. Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins Assistant Producer: Katie Tomsett

What will President Trump's order stopping work on foreign aid projects mean for global health?Also on the program, a new method for repairing heart muscles using stem cells shows promise, and do weight-loss drugs also stop the ‘food noise' so many people hear? GP and medical journalist Graham Easton joins Claudia in studio to discuss.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

As President Trump signals his intention to withdraw the United States from the World Health Organization, what could the global health ramifications be? Also on the show, Meta moves from an independent fact-checking program to community notes: How will this affect health misinformation across the company's platforms? A new rapid test that could help diagnose Crimean Congo Haemorrhagic fever brings hope to an oft neglected disease, and what would be the mental health effect of living in space long-term?Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

With extensive wildfires in Los Angeles, we look at the longer-term health impacts of wildfires and why there is still a risk to health after a fire is extinguished. A global commission has called for an overhaul of how obesity is diagnosed, suggesting more measures for practitioners to help distinguish between different types of obesity and improve individualized care for each patient. In Guatemala, reporter Jane Chambers takes us along to a local project supporting residents to transition away from ultra-processed food and towards more traditional eating habits. Also on the show, in light of 2024 surpassing global climate warming limits of 1.5°C we find out how climate change is impacting HIV prevention and care. Plus, how abortion patients in the UK demonstrate shifting contraception choices, with a rise in ‘natural' fertility options. Presenter: Claudia Hammond Producer: Katie Tomsett & Jack Lee

With reports of rising cases of the respiratory illness HMPV in multiple countries and concern over the risk it poses, we look behind the headlines to reality check what is really going on. Also on the show, we hear from injured Ukrainians who are building drones to help with their mental and physical rehabilitation. Plus, how does elite sport impact women's fertility? Finally, we look ahead to predict what 2025 might have in store for global health. Presenter: Claudia Hammond Producers: Katie Tomsett & Jack Lee

Claudia Hammond is in Malawi exploring the concept of One Health, where the health of humans, animals and the environment are all linked. Today we're visiting a makeshift roadside operating theatre for dogs in the village of Kauma, just outside of Lilongwe. During the ‘Spay Day', vets from the Lilongwe Society for the Protection and Care of Animals neuter local dogs for free, in an attempt to protect both dogs, and people, from rabies. We find out how this work feeds into the bigger picture of One Health in Malawi, and Claudia has a go at being a veterinary assistant… Presenter: Claudia Hammond Producer: Sophie Ormiston

Claudia Hammond is in Malawi exploring a movement known as “One Health”: an approach that calls for collaboration between the fields of human, animal, and environmental health, for the benefit of all. And how can this help to prevent disease when people and animals live in close proximity? We hear how vets and researchers across Malawi are tackling diseases such as rabies, anthrax, and sleeping sickness – and how the sharing of expertise that One Health brings is crucial in their efforts. Presenter: Claudia Hammond Producer: Sophie Ormiston

Claudia Hammond is joined by journalist Andrew Green to check-in on their 2024 health predictions and review just how accurate they were. Together, they explore the stories that we didn't see coming and the game-changing medical innovations that shaped global health this year. Plus, the unusual Ig Nobel medicine prize, and a healthy dose of competition in the form of the ultimate health fact-off.

Researchers have trailed a revolutionary malaria vaccine that uses the entire malaria parasite and is delivered via the bite of a mosquito, offering a novel way to boost immunity. The next step involves developing an injectable version for broader use. Also on the program: a mystery illness in the Democratic Republic of Congo's Kwango Province; doctors in Brazil raise concerns over dengue spreading through contaminated blood transfusions; and an innovative temporary tattoo that can measure brain activity through hair.Presenter: Claudia Hammond Producer: Katie Tomsett and Jack Lee

A new study in Nature has looked at genetic underpinnings that could lead to earlier presentations of Type 2 diabetes in South Asian populations. Also on the program, we look at an exciting new development in asthma treatment, and how we can detect Alzheimer's soon. Plus, slap fighting – the sport is growing in popularity, but could it have negative health consequences for participants.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Jack Lee

As the war in Sudan leads to multiple health crises in the country, we look at what can be done to improve the situation. Also on the show, is climate change helping disease-carrying ticks to spread beyond their usual range by an unusual method – migrating birds? And hot chocolate: it's delicious, but in certain circumstances, could it also help to improve your vascular health? Claudia Hammond is joined by health reporter Laura Foster to explore these topics and more.Image: WFP trucks carry aid to Darfur and other famine-stricken parts through the Adre Border crossing Image Credit: Abubakar Garelnabei/ReutersPresenter: Claudia Hammond Producer: Katie Tomsett and Margaret Sessa-Hawkins

Some Ugandan children with complicated malaria have shown partial resistance to leading anti-malarial drug artemisinin. What challenge does this pose to treatment efficacy and raising concerns about the potential spread of drug-resistant strains. We speak with Dr. Audrey Blewer, an epidemiologist and assistant professor in the School of Medicine at Duke University, about how 911 dispatchers providing CPR instructions can significantly improve bystander intervention rates, highlighting the critical role of telecommunicators in emergency response. Additionally, does working from home increase the amount of sleep and exercise you can get? We discuss the impact of remote working on health and productivity. Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

As Trump is elected to a second term in office, what will his policies mean for U.S. and global health funding, vaccine distribution and international health strategies? Also on the program, have you ever wondered what health issues we should worry about if humans settle in space? Claudia speaks with the Wienersmiths, a husband-and-wife team who authored a book exploring the possibility of space colonies, sharing insights on the scientific and logistical challenges of sustaining life beyond Earth. And we hear the latest on Pakistan's smog crisis, examining its persistent impact on communities and its place within the global issue of air pollution. Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Jack Lee

A new global report has found that tuberculosis is once again the leading infectious disease causing mortality around the globe, as covid cases recede. We find out what can be done to tackle the issue, and what lessons have been learned in the fight against this pernicious, but largely curable, illness. Also on the show, are we seeing the first cases of locally transmitted Mpox outside of the African continent? And FND, or functional neurologic disorder – the most common disorder you've probably never heard of.Image Credit: KATERYNA KON/SCIENCE PHOTO LIBRARY

The telehealth industry is booming, but a new investigation reveals a hidden network of medical groups fuelling the rise of online prescriptions for weight-loss drugs. Are patients being put at risk in this rush for GLP-1 medications?Also on the show, the latest on Oropouche and new concerns over potential modes of transmission. We get an update on how a decade of research into digital avatar therapy is helping patients with psychosis challenge the voices they hear. Plus, how does the experience of egg donation vary around the world? Presenter: Claudia Hammond Producer: Katie Tomsett and Margaret Sessa-Hawkins

A new study from America looks at the safety of organ transplants between people with HIV. Its promising results raise the potential for expanding access to life-saving treatments.This week's show also examines a surprising resurgence of scurvy, a disease often associated with historical poverty. Is the current cost of living crisis contributing to nutritional deficiencies? Plus, an update from the Africa CDC reveals encouraging news about the Marburg virus outbreak, but a grim warning about the spread of Mpox. Presenter: Claudia Hammond Producer: Margaret Sessa Hawkins

Can rapid diagnostic tests make a difference in the fight against malaria? A new study tries to quantify the real-world difference these tests are making.Also on the show, what can we learn from a single documented case of a medical anomaly: like the recent study of a break dancer presenting with a thickened skull. And Claudia learns to surf – all in the name of health. Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

The discovery of Micro RNA has won the Nobel Prize for medicine. We learn more about what micro RNA is, how it contributes to gene regulation, and what that means for our health.Also on the programme, there has been an outbreak of Marburg virus in Rwanda, and the pharmaceutical company Gilead is making a revolutionary HIV medication available to countries that need it most. But does this good news story have an unexpected downside. We learn more on Health Check.

As mpox continues to spread to new places, we find out how the vaccine rollout is going and what more needs to be done to help both contain and better understand the virus.Also on the show; why the first medication approved to treat schizophrenia in decades has the world of psychiatry excited, and how finding out what doesn't work in health care can be just as useful as knowing what does. Plus, can laughter help treat dry eye disease? Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

As vector-borne diseases begin to spread more widely around the world, we look at why, what the effects are, and what can be done.Also on the program, a new study has examined the origins of the Covid-19 pandemic, what did they find, and how is this different from previous papers? And can space flight age you? A new study tries to find out.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

The Taliban has denied reports that they are halting polio vaccines in Afghanistan – so what is going on? We take a look at what is happening in the country, and how it could effect polio eradication efforts worldwide. Also on the show, an important U.S. pathogen database loses funding, and why placebos that cause you pain may be more effective.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins and Katie Tomsett

As Haiti expands its state of emergency to cover the entire country, we take a look at the deterioration of the country's healthcare system.Also on the show, how does long covid affect children, is a global twin book just down to IVF, and we hear from you about objects associated with grief that have sentimental importance.Presenter: Claudia Hammond Producer: Margaret Sessa-Hawkins

MPox vaccines are finally arriving on the African continent, but are they getting to the places that need them most? We look at what the situation is, and why it can take so long for vaccines to get where they are needed.Also on the show, can you catch up on missed weekday sleep on the weekends, and the test that shows promise for new snakebite treatments.

In 2017, Adam Tjolle accidentally discovered he had a brain tumour. At the time, presenter and close friend Claudia Hammond followed him on his journey before, during and after undergoing life-changing surgery. Meeting up now in Malawi, Adam and Claudia listen back to the old recordings and reflect on what has changed for Adam since his operation. Adam still lives in Scotland, but his new life after brain surgery sometimes brings him to Malawi, where he works with the Lilongwe Society for the Protection and Care of Animals (LSPCA). Claudia joins Adam and Dr Tino Razemba at one of the LSPCA's ‘spay days', neutering local dogs in underserved communities. As well as getting involved, Claudia has a chance to see Adam's passion first-hand. Prior to his surgery, Adam's prognosis was a life expectancy of seven years. That time period has now passed. So what does life mean to Adam now? And today, as one in two people born after 1960 will receive a cancer diagnosis at some point, what can the rest of us can learn from Adam's experience of living with uncertainty?Presenter: Claudia Hammond Producer: Sophie Ormiston and Paula McGrath

The World Health Organisation has officially declared the spread of mpox as a public health emergency of international concern. Health Check has been following the spread of the disease across the Democratic Republic of Congo and now internationally in recent weeks, and Claudia Hammond is joined by BBC health journalist Philippa Roxby to discuss the latest developments.Claudia and Philippa also look at the doctors strikes taking place across India following the rape and murder of a female doctor in Kolkata. Hundreds of thousands of doctors have refused to work, with hospitals and clinics turning away non-emergency patients.We also find out how prescription drugs get given their names, with Professor Caleb Alexander from the Johns Hopkins Bloomberg School of Public Health telling us about the risks of getting it wrong.Claudia also hears how personal objects can help us form links in our brains and remember our loved ones. And the study that suggests we age dramatically in two bursts – at the ages of 44 and 60.Presenter: Claudia Hammond Producer: Dan Welsh

More than four years after the start of the Covid pandemic, the virus is showing no signs of fading away. This week, the World Health Organisation warned, in fact, that coronavirus is making a comeback, with 84 countries reporting an increase in positive test rates.For an in-depth look at how the world is coping with the disease, Claudia Hammond speaks to immunologist Professor Danny Altmann from Imperial College London to ask what the future might hold.Claudia is also joined by global health journalist Andrew Green to discuss whether Covid conspiracy theories are leading to a rise in AIDS denialism.We hear the latest developments on the spread of the mosquito and midge-borne Oropouche virus, as cases of the disease are confirmed to have been found in Europe for the first time.And as many of Europe's major football leagues prepare to get underway again this week, we hear about the tobacco product snus that's proving to be particularly popular with footballers, and whether it could give them an edge or pose a health risk.Presenter: Claudia Hammond Producer: Dan Welsh