Health Check

With recent heat waves in many regions of the world, including parts of Asia, Europe and North America, Claudia Hammond speaks to Eran Bendavid, Professor of Medicine and Health Policy at Stanford University, about his global study which suggests that older people face dangers from heat exposure at much lower temperatures than previously thought. Claudia is joined by genito-urinary consultant and HIV expert, Vanessa Apea to discuss the ongoing mpox outbreak in Madagascar. It is the largest ever outbreak of mpox in the country, with authorities dividing vaccine doses into fifths in order to try and offer some protection to as many people as possible.In addition, Claudia and Vanessa discuss how inflammatory activity may be underrecognised in people with darker skin tones and they also investigate how the immune system adapts as people reach more than 110 years old!And we hear from Dr. Sriman Swarup, practicing oncologist based in Phoenix, Arizona, about what doctors minding their own business on a flight really

Three months since the Ebola outbreak was declared in the Democratic Republic of the Congo, more than 1,900 people have died from the virus, with more than 4200 confirmed cases, making this the second-worst Ebola outbreak ever. Claudia Hammond speaks to Ebola specialist Bronwyn Nichol, Senior Officer of Public Health and Emergencies for the International Federation of Red Cross and Red Crescent Societies (IFRC), to find out what challenges there have been on the ground. Claudia is also joined by global health journalist Andrew Green to discuss efforts to develop a vaccine for the Bundibugyo Ebola virus. Andrew also updates Claudia on news that US President Donald Trump has signed an order that calls for fewer childhood vaccines and which also recommends splitting the mumps, measles and rubella (MMR) shots. Medical experts have criticised the new order and said it could reduce vaccination rates and expose children to harmful diseases. In Chile, reporter Jane Chambers shares with us the programmes of non-profit

Some people are injecting a fraction of the standard dose of weight loss drugs and hoping to still receive the benefits, but many are doing so without any medical oversight and there could be risks. Makers of the drugs say they don't condone people modifying how they use their products. Health journalist Katie Silver speaks to Claudia Hammond about why some people are choosing to microdose these weight loss drugs. With wildfires spreading across Western Europe, North Africa and Canada, Claudia is joined by BBC Health Reporter Laura Foster to discuss recent studies into the impacts wildfires can have on our health. Claudia and Laura also talk about new research into fertility and pregnancy loss as well as asking, are we consuming too much protein? And it is increasingly clear that multiple sclerosis (MS) is linked to Epstein-Barr virus infections, but can we use that knowledge to stop the progression of MS? Claudia speaks with Michael Levy, associate professor at Harvard Medical School and neuroimmunologist a

Road accidents are a leading cause of death and injury around the world, and in 2020, the UN General Assembly set a target to reduce road deaths by 50% by 2030. Claudia Hammond is joined by BBC Health reporter Philippa Roxby to look at new research which explores how road injury trends have changed globally over the past three decades, and discuss what these trends mean for public health and safety.India is facing shortages of important chemotherapy drugs as the price of the precious metal platinum has soared. Journalist Chhavi Sachdev reports on the situation from Mumbai.The prediction market platform Kalshi has announced that they will now be allowing users to place bets on the outcomes of clinical trials and FDA approvals. Claudia speaks with Nikola Biller-Andorno, Professor of Biomedical Ethics at the University of Zurich, to understand what this could mean for clinical research going forward.Also what is really happening to the body when it goes to space? New research suggests our cells react to microgra

Last week, the US Defence Secretary announced a new policy that will require US military personnel to undergo annual screening for testosterone deficiency, however some health experts have expressed concerns that this program could have negative effects. Claudia Hammond speaks with Gary Wittert, professor of medicine at Adelaide University and consultant endocrinologist at the Royal Adelaide Hospital, to understand more about testosterone and what hormone replacement therapy can do to the body. Many babies receive a vitamin K shot after birth to prevent internal bleeding, but recently more parents are declining this potentially life-saving treatment. Dr Matthew Fox, Professor of Epidemiology and Global Health at Boston University, joins Claudia to explain what is driving this trend, and the evidence behind the jab.Professor Rebecca Katz from Georgetown University in Washington DC and Director of the Health Security Operations Center has been monitoring disease spread and public health risks during the Men's

Organisations providing HIV services to gay men have had to close in Niger after a ban on same sex acts. Gay men there fear coming forward to be tested or treated and have lost access to condoms and medication protecting against HIV. Claudia Hammond and health journalist Camilla Mota discuss what this might mean for HIV rates in the country.We also hear about a US study looking at whether cancer screening rates differ across sexual orientation and gender identity, and discuss the return of a crisis hotline which aims to prevent suicide in LGBTQ+ in the US which had been closed a year ago.And little is known about how screen time impacts recovery after a concussion. Claudia speaks with Professor Ginger Yang from the Center for Injury, Research and Policy at the Nationwide Children's Hospital in the United States about her new research which found that for teens, the relationship may be more complicated than we thought.Then reporter Sen Nguyen takes us to Bangkok, where an intrepid group of cyclists are looking

On June 24th, twin earthquakes hit Venezuela, and in the weeks since the healthcare system has been overwhelmed with need. Claudia Hammond speaks with International Red Cross representative Paolo Cravero to learn more about the latest health updates on the ground in Caracas, and what is being done to fill the growing gaps in care.Claudia is joined by Graham Easton, Professor of Clinical Communication Skills at Queen Mary University of London, who brings us the latest on a Swedish study which suggests a prostate cancer blood test could detect 50 percent more cases, helping significantly reduce needless treatments. Graham and Claudia also discuss the growing threat of fungal infections and antifungal resistance - the WHO has released a “blueprint” to help countries respond - whilst the USA has published a surveillance report noting the doubling of Candida auris cases between 2022 and 2024 in the country, one of the fungal pathogens the WHO is most concerned about.Also, while rates of obesity and overweight have

Two Ebola drugs are due to be trialled in the Democratic Republic of Congo (DRC) as cases of the disease continue to rise in the country. BBC health and science correspondent James Gallagher joins Claudia Hammond to discuss the new clinical trial, and to update on the latest from the outbreak in the DRC and Uganda.Claudia also visits The Royal Society’s annual Summer Science Exhibition in London to explore a range of new health research on display.We hear about how salt water is being used to try to make lateral flow tests more sensitive and targeted, with Guido Bolognesi and Nguyen Thi Kim Thanh from University College London. They also explain the role gold nanoparticles play in current lateral flow tests, which rapidly diagnose pregnancy or Covid-19.Claudia also visits a 'microbe zoo' and speaks with Revathy Krishnamurthy from the Quadram Institute of Bioscience in Norwich, England, who explains what phages are, and how they can be harnessed to improve food safety.Finally, we meet Pat Price, visiting profe

Many people with infertility use in vitro fertilisation (IVF), however the probability of having a baby following IVF is only approximately 30-40% per cycle and decreases significantly with age. It can be a lengthy and expensive process. Providers sometimes offer ‘add-ons’, additional treatments that they claim could help patients conceive, which are themselves also usually expensive. In Australia, New Zealand and the United Kingdom more than 70% of patients pay for at least one of these add-ons. A new review published in The Lancet Obstetrics, Gynaecology, & Women’s Health journal has found that evidence on the benefits of these add-on treatments is unclear. Claudia Hammond speaks to Dr Sarah Lensen, Senior Research Fellow in the Department of Obstetrics, Gynaecology and Newborn Health at the University of Melbourne.Joining Claudia from Ghana is genito-urinary consultant and HIV expert, Vanessa Apea. Claudia and Vanessa discuss a draft African Charter on Family, Sovereignty and Values, which claims that

The WHO has conducted their first global assessment of food contamination in over a decade and found that more than 1.5 million people are killed by food poisoning every year. Dr Ann Robinson joins Claudia Hammond to discuss the common causes of foodborne illness.Gout is a type of inflammatory arthritis which can cause sudden and severe joint pain. Claudia is joined by Professor Nicola Dalbeth an academic rheumatologist at the University of Auckland in New Zealand to discuss misconceptions about the disease.Reporter Tony Vinyoh then brings us to Cameroon, where Mbingo Baptist hospital is creating its own compressed oxygen supply to address the shortages and high costs of life-saving medical interventions.We also discuss a new wearable ultrasound patch which could detect pregnancy complications in real-time, and we hear about a weekly 5 kilometre run in a park which has grown to become a global phenomenon - with over one million events across 5 continents and 23 countries - promoting regular exercise and well-

How does reading shape our mind and spirit? Why do novels make us feel more human? In front of a live audience at the Hay Festival of Literature & Arts in Wales in the UK, Claudia Hammond looks at the science of what reading does to the mind and explores the profound impact it can have on our lives and well-being.She is joined on stage by award-winning novelist and travel writer Joanna Kavenna; Dr Paula Byrne, Jane Austen biographer, writer and co-founder of ReLit: The Bibliotherapy Foundation and Ben Alderson-Day, Professor in Psychology at Durham University and lead researcher on ReaderBank, an ongoing research project studying reading, imagination and wellbeing.With these leading experts in psychology and the literary world, she examines the range of imaginative experiences that fiction readers have, whether novels can deepen our capacity for empathy and the therapeutic effect of reading on our minds.Presenter: Claudia Hammond Producer: Helena Selby

From heat exhaustion to dengue fever - monitoring public health risks at the biggest tournament in football history. With millions of fans travelling to the USA, Canada and Mexico for the men’s football World Cup, Claudia Hammond speaks to Professor Rebecca Katz from Georgetown University in Washington DC who is the Director of the newly set up Health Security Operations Center, a surveillance hub to track threats to health, monitoring the risk of diseases such as measles, dengue and chikungunya.With the World Cup coinciding with rainy season in Mexico, which also means mosquito season, our reporter Rogelio Navarro in Guadalajara brings us the latest on efforts in Jalisco state to prevent outbreaks of dengue which is transmitted by mosquitoes.And the potential for health issues due to extreme heat has caused concerns amongst players, spectators and scientists. At the men’s FIFA Club World Cup in the USA last year Chelsea and Argentina midfielder Enzo Fernandez spoke out about the difficulties of playing in hi

Three months into the blockage of the Strait of Hormuz, we find out about the 20,000 sailors trapped on board with dwindling resources and minimal health provision. We hear from Mohamed Arrachedi, Network Co-ordinator for the Arab World and Iran for the International Transport Workers’ Federation, and Helen Sampson, Emeritus Professor in the School of Social Sciences at Cardiff University.News from the World Health Assembly where WHO member countries come together for form health policy for the year ahead. Global Health journalist Andrew Green reports.Lots of us love a video game, but for a few the games can start to take over their lives, and the impact of a gaming disorder can be very serious – especially for children. Our reporter Kate Ferguson reports from a specialist clinic in Western Australia to find out how they have been tackling the issue One in four surveyed doctors thought preservation was likely to work in the future, but how might we be preserved and why would we want to be? We unpack the reali

An Ebola outbreak that started in the north-east of the Democratic Republic of Congo (DRC) is spreading in the region and has been declared a health emergency. Health Check’s Claudia Hammond has the latest with BBC reporter Emery Makumeno in Kinshasa, Heather Kerr, Country Director for the International Rescue Committee (IRC) in the DRC, and Professor Trudie Lang, head of the Global Health Network at Oxford University. Claudia is joined in the studio by BBC health reporter Laura Foster. They discuss the call for more testing of drugs with under-represented groups, after a study of Black African Americans, smokers, and people with complex health conditions in the US showed that an asthma drug, Tezepelumab, led to 70% fewer asthma attacks in people with severe asthma.They also hear about new hearing technology which can read peoples’ brainwaves to help people to pick out the single voice they want to listen to in a noisy room. Claudia speaks to Nima Mesgarani, Associate Professor at the Zuckerman Institute at 

Global health reporter Dorcas Wangira joins Claudia Hammond to discuss how renaming a common health condition affecting millions of women worldwide hopes to improve understanding, treatment and diagnoses. Polycystic ovary syndrome (PCOS) has been renamed polyendocrine metabolic ovarian syndrome (PMOS).Dorcas also brings Claudia Hammond news of a controversial AI algorithm being used by the Kenyan Government to work out how much people should be charged for healthcare costs. We hear from Peru where researchers have been mapping pesticide use and cases of people getting cancer in a major new study. And from the USA where a study on our disease-fighting T cells shows that they become more effective after we’ve eaten a meal.Presenter: Claudia Hammond Producer: Hannah Robins, Georgia Christie and Jonathan Blackwell

We bring you the latest on the hantavirus outbreak on the cruise liner MV Hondius with BBC health reporter Smitha Mundasad.Endometriosis, where cells similar to the lining of the womb grow elsewhere in the body, can take up to a decade to get diagnosed despite leaving some women in debilitating pain. A new scanning technique hoping to speed up that diagnosis. Dr Tatjana Gibbons, from Oxford University, who developed the test, explains how it works.We unpack how the way operations are schedules affects patient outcomes with transplants. How electricity is improving treatment for patients with a heart rhythm disorder. Professor Oussama Wazni explains how it works.And how seven rings can translate sign language into text.Presenter: Claudia Hammond Producer: Hannah Robins & Georgia Christie

The American Food and Drug Administration (FDA) has just awarded fast track status to three companies developing psychedelic drugs as a treatment for addiction and other mental health issues. It comes after President Trump directed $50million dollars to increase their availability. Claudia Hammond is joined by BBC Brazil reporter Camilla Mota to discuss what claims are made for the effectiveness of these drugs.A novel house design, called “Star Homes”, which promote airflow, block insects, and feature rainwater collection systems, can reduce child mortality, demonstrated by a randomised controlled trial in Tanzania. We hear from Professor Lorenz Von Seidlein from the Mahidol-Oxford Tropical Medicine Research Unit in Bangkok about what makes these homes effective in lowering rates of malaria, diarrhoea and acute respiratory infections.We hear that the Russian health minister has called for 1 in 3 Russians to be tested for HIV annually. Russia has long had high rates of HIV, but it now has the highest prevalenc

We learn about a new injectable microgel to help reduce bleeding in infants who require surgical care. In a mice model, it reduced bleeding by at least 50%. Ashley Brown, Professor of Biomedical Engineering at North Carolina State University and UNC Chapel Hill tells presenter Claudia Hammond more about this new material her team has designed.Joined by Professor of Global Health and Epidemiology at Boston University in the US, Dr Matthew Fox, Claudia hears about a mystery illness that is being investigated by health officials in Burundi, which has caused five deaths and sickened thirty-five people. So far lab analysis of the illness - which causes fever, vomiting, and diarrhoea - has been negative for Ebola and Marburg viruses, Rift Valley fever, and others.We hear about influential analysis from Cochrane which has concluded that "breakthrough" Alzheimer's drugs are unlikely to benefit patients. Researchers said the impact was "well below" what was needed to make a difference to dementia patients' lives. Howe

A minority of patients requiring blood transfusions are increasingly requesting ‘unvaccinated’ blood in the United States, per a new report published in the journal Transfusion. Our studio guest today, genito-urinary consultant Vanessa Apea, explains how this can lead to potentially dangerous delays and higher risks.Presenter Claudia Hammond speaks to Dr Angela Wu, from the Centre for Evidence-Based Medicine and Oxford Tobacco Addiction Group at the University of Oxford, about a new overview of the best available evidence worldwide for smoking cessation. The study, published in the journal Addiction, has found that nicotine‑containing e‑cigarettes appear to be more effective for stopping people smoking than other interventions.We hear how metabolic liver disease could affect nearly 1.8 billion people by 2050, according to new research published in The Lancet Gastroenterology & Hepatology journal. The growing number of cases means that many people are at risk of developing serious complications, however, t

As the Artemis II crew return to Earth, we uncover the health benefits of the feeling of awe with world-renowned expert, Dacher Keltner. We also discuss how we might find more awe in our everyday lives.What impact is the Iran war having on global health? Journalist Andrew Green unpicks the ramifications of shipping restrictions, ‘black rain’ in Tehran and hacking attacks on medical suppliers.How two boyhood friends have helped developed a new kind of prosthesis with a programme based in Guadalajara. Our reporter Rogelio Navarro has the story.Progress on our understanding of Noma, a severe gangrenous disease of the mouth and face. Plus, how some blind people are using echolocation to help them detect objects in their environment.Presenter: Claudia Hammond Producer: Hannah Robins and Jonathan BlackwellImage: NASA astronaut and Artemis II Commander Reid Wiseman peers out of one of the Orion spacecraft's main cabin windows, looking back at Earth, as the crew travels towards the Moon April 2, 2026. NASA/Handout v