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 Mohsen Rajabi how teachers in Iran are providing first-line mental health support to refugee students as they cope with settlement traumas.

Plus, how an electronic nose could help detect mould in the home.

Presenter: Claudia Hammond

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 “nocebo effect”, and learn what it means for healthcare providers.

Peru has one of the highest burdens of tuberculosis in Latin America and it’s a major public health challenge. Reporter Jane Chambers meets one group of health professionals working in Carabayllo who are determined to turn that around.

Why the time of day you take your immunotherapy cancer medication might impact its success. Plus, can self-administered hypnosis describing cool, snowy mountains help soothe hot flashes associated with the menopause?

Presenter: Claudia Hammond

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 Fox joins Claudia to explain the latest breakthrough in HIV immunotherapy treatment and what research is still needed to find a cure.

Momentary lapses in attention when exhausted may be your brain’s way of catching up on sleep. Laura Lewis, who is associate professor of medical engineering and electrical engineering at Massachusetts Institute of Technology in the United States, explains the latest findings in sleep deprivation neuroscience.

Claudia and Matt discuss a recent finding that medical research published by women is less likely to be retracted and the simple step that airlines could take to be better prepared for the medical emergency that causes 86% of in-flight mortalities.

Presenter: Claudia Hammond

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. Presenter’s friend, Dr Ann Robinson, explains how our understanding of hormone therapy – its risks and its benefits – has changed over time.

Can stress during pregnancy impact a baby’s development even after birth? Claudia speaks to associate professor Ying Meng at the University of Rochester School of Nursing in the US to find out more about the surprising impact of cortisol on baby teeth emergence.

Can weight loss drugs reduce symptoms of Alzheimer’s disease? A new study sheds light on the answer. And, Health Check hears about an artificial tongue with a taste for spice.

Presenter: Claudia Hammond

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 those in middle-age. Claudia speaks to Alex Bryson, Professor of Quantitative Social Sciences at University College London, to find out what is driving this change.

How can we reduce phantom limb pain in war amputations? Professor of anaesthesiology and pain medicine at Northwestern University, Doctor Steven Cohen, explains how Botox injections are helping Ukrainian patients recover post-amputation and improving their quality of life.

A new law in Karnataka, India will allow women a day of paid menstrual leave each month – but how is it being received? Plus, the remarkable HPV vaccination success story, and what that means for global cervical cancer rates.

Presenter: Claudia Hammond

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 Stallard what global health is on the agenda.

Reporter Dorcas Wangira is in Nairobi investigating a crackdown on helmet safety for motorcycle taxi riders.

Plus, can speaking more than one language slow down the rate at which you age? And why politicians in France are suggesting doctors prescribe working from home instead of signing people off sick.

Presenter: Claudia Hammond

Image: People stand near healthy awareness posters related to the measles outbreak during a public health awareness campaign, at the Taber Health Centre, in the largely Mennonite community of Taber, Alberta, Canada, October 27, 2025. REUTERS/Ahmed Zakot/File Photo

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 buy tobacco products. Journalist Philippa Roxby comments on what this means for health.

What do the public know about the cancer risks of alcohol? Dr Sanjay Shete, Professor of Biostatistics and Epidemiology at The University of Texas MD Anderson Cancer Center, explains his research comparing the real risks to public awareness.

A Finnish study has found that voting behaviours in elections are strongly linked to health, suggesting it may even be a stronger determinant than education. Plus, how walking over 5,000 steps a day may slow the cognitive decline in those with preclinical Alzheimer’s disease.

Presenter: Claudia Hammond

Image: A commuter walks near India Gate amid heavy smog pollution on October 29, 2025 in New Delhi, India. Delhi is once again blanketed by hazardous smog following the Diwali festival, as pollution levels spike to the "very poor" and "severe" categories, with air quality indexes far exceeding safe limits. The crisis, which is driven by firecracker use, emissions, and seasonal crop residue burning has prompted emergency measures like cloud seeding.

Image Credit: Ritesh Shukla/Getty Images

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. Also on the program, could how we walk affect our health more than the distance we’ve travelled? Health journalist Layal Liverpool joins Claudia Hammond to discuss these stories and more.

Presenter: Claudia Hammond with Layal Liverpool

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 excluding real participants.

A new adrenaline nasal spray has been licenced for those with severe allergies. Family Doctor Ayan Panja explains what a difference this might make for patients.

The first patient has been recruited in a phase III trial investigating malaria treatments in early pregnancy. We speak to her and the researchers who are hoping to recruit further participants in Mali, Burkina Faso and Kenya.

Plus, how far can you really push yourself? Researchers think they’ve found the ‘metabolic ceiling’ for endurance athletes.

Presenter: Claudia Hammond

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 answer? We found out what’s in the new recommendations from Dr Eirini Dimidi.

The World Health Summit concluded this week, journalist Andrew Green was there and reports on the highlights from reshaping the global aid landscape to the growing burden of non-communicable diseases.

As California bans ultra-processed food in schools, we find out what changes pupils will see on their plates.

And treating baby wraps with Permethrin may hold promise for malaria prevention in newborns.

Presenter: Claudia Hammond

Image: Trucks carrying aid wait at the border crossing for entry into the Gaza Strip on October 12, 2025 in Rafah, Egypt. This week's ceasefire deal between Israel and Hamas has brought an end to the two years of war that followed the attacks of Oct. 7, 2023, allowing aid groups to increase delivery of humanitarian relief.

Image Credit: Ali Moustafa/Getty Images