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, 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
Producer: Katie Tomsett & Hannah RobinsImage: 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
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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. 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
Producer: Hannah Robbins and Margaret Sessa-Hawkins with Alice McKee
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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 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
Producers: Katie Tomsett and Hannah Robins
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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 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
Producer: Hannah Robins and Katie TomsettImage: 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
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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 who led this research explains.A new targeted antibiotic has been found that treats Inflammatory Bowel Disease. Dr Graham Easton who is Professor of Clinical Communication Skills at Queen Mary University of London describes how it works.Missing your first mammogram appointment has as much impact on breast cancer outcomes than an inherited genetic risk according to new research. Ziyan Ma from the Department of Medical Epidemiology and Biostatistics at the Karolinska Institute tells us more.And should we reconsider how we treat blood pressure? Presenter: Claudia Hammond
Producer: Katie Tomsett
Ireland