Health Check
Health issues and medical breakthroughs from around the world, presented by the BBC World Service.
Episodes
Solving the mystery of allergies
In this week's Health Check, Claudia Hammond looks at a new study in mice that examines two longstanding questions about allergies: why do they often emerge only after repeated exposure to the allergen and why do people with one allergy often develop other allergies as well? Claudia speaks to a scientist who has been attempting to solve these mysteries; Dr Caroline Sokol, from the Division of Alle
What happens in the ovaries postmenopause?
Perhaps contrary to popular belief, it is not all over for ovaries once a woman is post-menopausal. In a study published in Aging Cell, researchers studying the ovaries from 28 women found that even though their reproductive function ceases, the ovaries remain biologically active and continue to change in the decades after menopause. Francesca Duncan from the Department of Obstetrics and Gynaecolo
Should we be worried about the plague?
This week, Claudia is joined in the studio by Clare Wilson, Science writer at The i Paper.After a 28-young woman who was studying infectious diseases in a lab in Siberia has died from pneumonia, Health Check takes an in-depth look at the plague, examines what we know about what has happened and asks how worried we should be about this news.A new series of papers from the journal, The Lancet, argue
Do men and women receive different medical treatment?
Men and women are frequently treated differently by healthcare systems according to a review of global research published in the journal, PLOS One. Women with the same medical conditions as men are less likely to be offered the medical treatments offered to men such as surgery, statins, or strong painkillers. They are also less likely to be offered treatment for conditions like cardiovascular cond
Could AI improve healthcare in low-income communities?
Health Check discusses the role of AI in healthcare after the announcement that the Gates Foundation will put hundreds of millions of US dollars towards AI access in low-income communities, with an emphasis on integration in healthcare. Claudia Hammond is joined by Graham Easton, Professor of Clinical Communication Skills at Queen Mary University of London, to ask how AI is already changing the wa
Expanding reproductive choice in women's sports
The Spanish Football Association has announced a new programme that will make fertility treatments such as IVF and egg freezing available to female players and referees, but what difference will it make and how does this move compare to support offered for professional sportswomen globally? Margie Davenport, Professor in Kinesiology, Sport and Recreation at the University of Alberta and retired Te
Addressing the risks of period pain in childhood
There is still a lot unknown about why period pain can be so intense for some and not others. To find out more, Claudia Hammond speaks with Dr Melissa Lenert, research scientist at the University of Michigan in the Chronic Pain and Fatigue Research Centre. Her new research examines what early risk factors are associated with the intensity and onset of period pain in adolescents. Claudia is then j
Vaccinating against skin cancer
Usually when we think about vaccines, we imagine preventing viruses, but could mRNA vaccine technology also be used to reduce skin cancer recurrence? Claudia Hammond discusses the latest trials of this technology with Dr Matthew Fox, professor of epidemiology and global health at Boston University.Then, reporter Rogelio Navarro brings us to Mexico City, where researchers at the National Autonomous
Understanding OCD
Everyone experiences unwanted thoughts from time to time. But how does it feel to be trapped in a constant cycle of intrusive thoughts and repetitive behaviours? This is the reality of life for many people with obsessive compulsive disorder, a common - but commonly misunderstood - mental health condition. Today's episode is dedicated to understanding OCD and how it’s treated. Claudia Hammond visit
The health threat of rising temperatures
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
The Ebola outbreak in the Democratic Republic of the Congo
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 So
Why are some people microdosing weight loss drugs?
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 w
Steering in the right direction to road safety
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 safet
USA military launches testosterone screening programme
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 Hospi
HIV fears due to Niger’s anti-gay laws
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 s
Health challenges after Venezuela earthquakes
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 Communicat
Ebola drug trials in the Democratic Republic of Congo
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 t
Lack of evidence most IVF ‘add-ons’ improve fertility
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
The global toll of food poisoning
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
How reading fiction impacts our mental health
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
Health at the football World Cup
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
Seafarer welfare in the Strait of Hormuz
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 fro
Ebola outbreak in the Democratic Republic of Congo
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
Why renaming a health condition matters
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
Hantavirus outbreak on cruise ship
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 Univer
Psychedelic drugs as treatment
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 o
Making surgery safer for infants
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 a
Risky requests for unvaccinated blood on the rise
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-Bas
How awe can boost your health
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 t
What next for sunscreen in Australia?
In Australia last year, it was discovered that hardly any sunscreen products actually offered the protection listed on the bottle. Now the Australian regulator has finally proposed sweeping reforms in the country known to be a skin cancer hotspot. Dr Michelle Wong, chemist and science communicator of LabMuffin Beauty Science explains what impact the changes might make.Northern Cyprus is one of the
Antimicrobial resistance in conflict zones
For the last few weeks, the news has been dominated by the situation in the Middle East. Joining Claudia Hammond is BBC Health Correspondent James Gallagher who speaks with Dr Antoine Abou Fayad, a microbiologist and medicinal chemist based in Beirut, Lebanon. He reveals that war, just like the ongoing conflict in the Middle East, provides the perfect storm to accelerate the spread of multidrug-re
Does your home country impact your cancer risk?
North Korean defectors and lifelong South Korean residents have significantly different cancer rates, despite their genetic similarities; new research finds. Presenter Laura Foster unpacks this study, explaining what it tells us about how upbringing and environment contribute to different cancer rates, and how migration can change these risks.A new study has found GLP-1s – drugs typically used to
Using lasers to fight brain cancer
New research from Yale shows that aging doesn’t have to result in mental and physical decline. In fact, they found that nearly half of older adults actually improved in cognitive or physical ability over a 12-year period. Dr Graham Easton, a family doctor, discusses what this can teach us about what we can and can’t control when it comes to aging.Brain tumours can be notoriously difficult to treat
Do collagen supplements really do anything?
Collagen supplements have become increasingly popular over recent years. However, a new review has revealed that although taking collagen may rejuvenate the skin, it won’t stop you from getting wrinkles. Dr Ann Robinson, a family doctor, discusses findings on what collagen is actually doing for your skin. The world is short of nearly a million midwives, a new report in Women and Birth warns. Danie
Could a single vaccine block nearly all viruses?
A universal nasal spray vaccine that could block nearly all viruses, and possibly also bacteria and allergens has been successful at early stages of research. By leaving immune cells ‘on alert’, they become ready to jump into action no matter what infection tries to get into the body. Dr Matthew Fox, Professor in the Departments of Epidemiology and Global Health at Boston University, explains what
Surviving without lungs for 48 hours
How a patient survived for 48 hours without lungs. Too ill to receive a lung transplant straight away, the man relied on an artificial lung while his body recovered from an infection. As he prepares to repeat the procedure for the first time, Dr Ankit Bharat, Chief of Thoracic Surgery at Northwestern University’s Feinberg School of Medicine explains the groundbreaking technique. Radiotherapy for a
Are statins safer than we thought?
Statins are one of the most prescribed drugs in the world as they are highly effective at reducing “bad” LDL cholesterol that causes cardiovascular disease. A new review in the Lancet has found there are far fewer side effects associated with their use than previously thought. New Nipah cases have been reported in India and Bangladesh. Trudie Lang Professor of Global Health Research at the Univer
Why do some people hoard?
Many of us can empathise with that feeling of keeping stuff for years and years. We might keep treasured objects with real sentimental value, or we might have items for a long time - and yet we can't really explain why. For those of us who don’t like getting rid of our belongings, life can feel very full of stuff. But when does a tendency to hold on to things become more worrying? It can be diffic
South African coming-of-age initiations
For some communities in South Africa coming-of-age initiations are a hugely significant moment, but there have been rising concerns over the safety of the circumcisions at the heart of this ritual. Forty-eight young men died last year and the government are now introducing measures to tackle the issue. BBC’s southern Africa correspondent Pumza Fihlani reports on the latest.Research suggests our ha
Could the shingles vaccine really slow down the ageing process?
Joined by BBC Brazil reporter Camilla Mota, presenter Claudia Hammond discusses new research from the U.S. that has found that people who have had a vaccine against shingles seem to be aging more slowly.We hear from James Tibenderana, Chief Executive of Malaria Consortium about research from Brazil that shows that as deforestation expands, mosquitoes are increasingly using humans as a blood source
What effect does exercise really have on depression?
We are often told exercise is good for boosting your mood, but a new Cochrane review has looked at what the evidence says about how much difference exercise can really make when treating depression.Many patients with chronic conditions fail to take medications as prescribed. We discuss a novel pill casing that can send a signal once it has been broken down in the stomach. Prof Giovanni Traverso, g
China’s latest bid to boost its birth rate
China has just brought in taxes on contraception including condoms in a bid to increase the nation’s birth rate. What impact could this have when considered alongside other “fertility-friendly” policies? Global Health reporter Dorcas Wangira gives her verdict.Could RSV vaccination dramatically reduce childhood asthma? Professor Bart Lambrecht from Ghent University shares his latest research sugges
How can we eliminate malaria?
In the past decade there has been little progress in lowering malaria cases, with over half a million people still dying from the mosquito-borne disease every year. We look at the big ideas and innovations of the future that could help us eliminate malaria once and for all. What would happen if we got rid of the insect responsible for spreading the malaria parasite? Claudia heads to Imperial Colle
2025: A big year for tackling malaria
Malaria is still the third biggest killer on the planet and despite decades of serious investment it’s a disease that is still very much with us. But that investment is starting to pay off - 2025 has been a big year for new ways of tackling the disease.This week we’re reflecting on the progress made in 2025 – but also asking what impact unprecedented cuts to global health funding might have on whe
Behind the Huntington’s disease breakthrough
James Gallagher joins Claudia Hammond to share his pick for health breakthrough of 2025 – the world's first gene therapy to treat Huntington’s disease.Popular science author Mary Roach joins Claudia to discuss the future of prosthetics.Also on the show, James shares his latest reporting on how sperm from a donor with a cancer-causing gene was used to conceive almost 200 children.We hear from Mohse
Shingles vaccine slows the progression of dementia
We already knew that the shingles vaccine reduces the risk of developing dementia, but new research has shown that it also slows the progression of the disease. BBC journalist Laura Foster discusses why this might be happening.Can a negative mindset reduce the effectiveness of medical treatments? Claudia speaks with Dr Katharina Schmidt in Essen, Germany to find out about her new research on the “
The risky use of skin lightening in children
New research shows that 20% of children under five years old in Nigeria have been exposed to skin lightening products, even by parents who know the risks associated with the products. Claudia speaks to Aisha, a mother, to understand why skin lightening can seem appealing, and to dermatologist Atinuke Ajani from Ile-Ife, Nigeria, who explains the growing prevalence of this trend.Epidemiologist Matt
Childhood hypertension becomes more common
A recent meta-analysis finds that childhood hypertension rates (commonly known as high blood pressure) are increasing significantly around the world. Professor of cardiovascular medicine and population health at the University of Oxford, Kazem Rahimi, explains what is driving this trend. Recent changes in hormone therapy labels in the US come after years of lobbying by physicians and activists. Pr
The disappearing mid-life crisis
Global health journalist Andrew Green has been looking at the impact of US funding cuts on the global HIV response, and reports his findings from Botswana about the impact is it having on HIV and AIDS services there, and what new agreements may be reached on healthcare funding.New research shows that the trend in human happiness is changing, with young people now experiencing more unhappiness than
Canada loses measles elimination status
This week it was declared that Canada is no longer measles free and as a result The Americas have lost their measles elimination status. Claudia is joined by Vanessa Apea to understand why this vaccine-preventable disease is continuing to spread in North America.COP30 is underway in Belém, Brazil, and ahead of the conference’s Health Day we hear from BBC’s Climate and Science reporter Esme Stallar
Cloud seeding to cut air pollution in Delhi
Last week attempts at cloud seeding to reduce pollution in Delhi failed to produce any rain. We catch up with reporter Chhavi Sachdev to find out more about official’s latest and controversial attempt at tacking hazardous levels of air pollution in the city. The Maldives have become the first country to ban smoking for younger generations with no one born on or after 1 January 2007 being able to
What surpassing 1.5°C means for global health
U.N. Secretary General Antonio Guterres has said that global warming will ‘inevitably’ surpass 1.5 degrees. What does this mean for global health? The ninth annual Lancet report on health and climate could hold some answers.Also on the program, could contaminated meat be a source for some urinary tract infections? Professor Lance Price speaks about his new study finding a link between the two. Als
How impostors distort medical research
As Japan declares a flu epidemic we find out more about what’s going on in the country, and the potential implications for the flu season ahead in the Northern Hemisphere.Human and bot imposters are rising in medical research, and they risk undermining results, but why do they do it? Eileen Morrow from the University of Oxford explains the tricky balance of safeguarding against them whilst not exc
How to prioritise aid in Gaza
As the fragile ceasefire holds in Gaza, we hear about the health impacts and realities of the aid being let into the territory from Olga Cherevko – spokesperson for the United Nations Office for the Coordination of Humanitarian Affairs, Gaza. The first ever evidence-based and outcome-specific dietary guidelines to treat chronic constipation in adults has been published. Could kiwi fruit hold the
Immune system researchers win Nobel Prize
This year’s Nobel Prize in Physiology or Medicine has been awarded for discoveries that explain how the immune system attacks hostile infections, but not the body's own cells. We explain the science that won Japan's Shimon Sakaguchi and US researchers Mary Brunkow and Fred Ramsdell the prestigious award.How robots can help children with reading anxiety. Lauren Wright from the University of Chicago
Creating human eggs from skin cells
Functional human eggs have been generated using human skin cells in a breakthrough study. What impact could this have on couples with fertility issues? BBC Health Correspondent James Gallagher explains. How long covid is affecting menstrual cycles. Dr Jackie Maybin, Reader and Consultant Gynaecologist at the Centre for Reproductive Health at the University of Edinburgh and NHS Lothian explains her
Trump’s unproven claims on autism and paracetamol
President Trump has claimed that consuming Tylenol, or paracetamol, whilst pregnant can increase the risk of autism in children; Claudia is joined by Professor of Clinical Epidemiology Laurie Tomlinson to fact-check this unproven statement.Also on the show, BBC’s Philippa Roxby joins Claudia to share a breakthrough in treating Huntington’s disease. In a medical first doctors have used gene therapy
More children are obese than underweight
In a ‘historical turning point’ there are now more overweight than underweight children and teenagers worldwide according to a new report from UNICEF. Claudia Hammond is joined by BBC’s Laura Foster to understand what changes to our food environments may be driving this shift.An international row has erupted over durian fruit, with China limiting imports of Vietnamese fruits due to health concerns
The psychology of curiosity
Is curiosity good for us, or should we learn a lesson from what curiosity did to the cat? And why does curiosity drive some people to explore the ends of the earth and beyond, while others just really aren’t very curious at all? We invite a panel of people for whom curiosity is also at the centre of what they do to discuss the psychology of curiosity in front of an audience at the Cheltenham Scien
Have we found a better alternative to aspirin?
Millions of us take aspirin daily to ward off heart attack or stroke, but a new study has found an alternative blood thinner, clopidogrel, could be more effective. We find out how it compares.An oral health check-up at least two weeks before surgery has shown to reduce the risk of post-operative infections such as pneumonia as well as reduce the length of a patients' hospital stay. Dr Kristina Wan
A breakthrough in treating chronic pain
One in five of us suffer with chronic pain globally and the exact cause of it is often unknown making it very hard to treat. However, in what has been hailed as a remarkable breakthrough, a gene has been identified that is critical for regulating pain signals. Professor David Bennett, head of Clinical Neurology at Oxford, who led the research explains.BBC Africa’s health correspondent Dorcas Wangi
Using AI to discover new antibiotics
AI models have helped to discover new potential antibiotics to treat drug resistant infections of gonorrhoea and MRSA. We speak to Professor Jim Collins from MIT to understand what’s next for his machine-generated medicines and the role AI could play in the future of drug discovery.
A new report has found high rates of bloodstream infections and antibiotic resistance in central lines used in I
How plastic harms health
As negotiations for a Global Plastics Treaty are due to conclude at the United Nations, we check in on whether health is on the agenda with Dr Cressida Bowyer, Associate Professor in Arts and Sustainability from the University of Portsmouth in the UK who is at the conference. We also hear from John Chweya, a Kenyan waste picker, who has seen the impacts of plastic waste firsthand and delve into th
Malnutrition in Gaza
UN-backed experts – the IPC - say the "worst-case scenario of famine is currently playing out" in Gaza and that there is mounting evidence that widespread malnutrition is driving a rapid rise in hunger-related deaths among the 2.1 million Palestinians there. Aid worker Olga Cherevko shares what she’s witnessed on the ground and Claudia is also joined by specialist Dr Marko Kerac to understand the
Making human blood deadly to mosquitoes
Antiparasitic drug Ivermectin has been shown to reduce malaria transmission by making the blood of treated persons deadly to the mosquitoes that carry the disease. Journalist Layal Liverpool explores the impact this new approach could have.Six months on from President Trump’s dramatic cuts to US foreign aid, the HIV/AIDS relief fund PEPFAR hangs in the balance. We hear how the cuts have impacts on
Do you really have a penicillin allergy?
Penicillin is the go-to antibiotic for many common infections - but in the UK more than 1-in-15 adults have a penicillin allergy label on their medical record. New research suggests that many with these labels are not actually allergic. Professor Sue Pavitt explains how more accurate allergy labelling might help fight the rise of antimicrobial resistance. Both Burundi and Senegal announced last we
HIV prevention drug Lenacapavir recommended by WHO
Lenacapavir has been incredibly promising in trials and now the World Health Organisation have officially recommended the drug for HIV prevention. Smitha Mundasad explains the difference this bi-annual injection could make in the fight against HIV.We hear how Malawi is trying to stop mpox from entering its borders. Reporter Carrim Mpaweni investigates the measures in place to keep the disease at b
First malaria treatment approved for newborns
Until now there has been no approved treatment for malaria in newborns and infants weighing less than 4.5kg. We hear from families and clinicians firsthand what this new formulation, due to be approved across eight African countries, means for them.We are joined by Professor Damian Bailey as we become pickle juice detectives to find out why it is becoming more common for athletes to drink the brin
Can bacteria-eating viruses be used to fight superbugs?
Phages are viruses that only infect bacteria. How might they help us tackle antimicrobial resistance? Franklin Nobrega and Esme Brinsden from the University of Southampton explain how their citizen science project that collects samples from around the globe is building a library of these bacteria-fighting viruses. How can ultrasound find new targets to treat apathy in Parkinson’s disease? Tom Gilb
Childhood vaccination coverage stalls worldwide
There has been immense progress on childhood vaccination since 1974, with over four billion children vaccinated worldwide. So why now are we seeing vaccination rates stall, and decline? We look at what is driving this stagnation that is putting millions of children at risk. The psychological impacts of war can persist for long after the events themselves. Reporter Stephanie Tam talks to the therap
Future thinking
Thinking about the future comes so naturally to most people that we do not realise what a complicated and essential skill it is. Claudia Hammond and an expert panel of psychologists look into our ability to mentally travel to the future. Catherine Loveday, professor of cognitive neuroscience at the University of Westminster, explains how our ability to mentally time travel into the future is usefu
Mpox surging in Sierra Leone
As mpox cases rise in Sierra Leone, we check-in with Professor Trudie Lang to understand the implications of the continuing spread of the disease and what progress is being made in responding to the outbreak. In a breakthrough for HIV research, scientists have used mRNA to reveal the virus hiding in white blood cells. For now, it is only in a laboratory setting, but they hope this could lead to f
Exercise and immunotherapy improving cancer outcomes
A new immunotherapy regime has shown significant improvements in treatment for head and neck cancer. Meanwhile, exercise is boosting outcomes for colon cancer patients. BBC journalist Philippa Roxby explains what’s been shown in these studies.Aflatoxins are a toxin produced by a fungi which can be found in crops. They’re having a severe impact on harvests and health including immune suppression, g
A new way to screen for cancer in dense breasts
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 Wor
A promising new antimalarial
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 pay
Listening to your body's signals
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
Shingles vaccine lowers risk of heart disease
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
Mycetoma’s only research centre destroyed
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 designe
WHO agrees to a pandemic treaty
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 medi
Have we found an animal reservoir of mpox?
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 fo
