Untold: Toxic Legacy

How much do we really know about ageing? For decades, scientists have been trying to understand the biology of the ageing process - what happens to our bodies as we get older? And is it possible to slow that process down or even stop it all together?In this series of Tech Tonic, the FT’s Hannah Kuchler and Michael Peel look into the past, present and future of longevity - the wellness movement focused on extending and bettering your quality of life. Episode 1 follows Hannah as she speaks with UCL professor David Gems about the history of ageing research, and then with longevity researcher Matt Kaeberlein to discuss how the industry has developed - including current drugs that could have anti-ageing effects. Plus, Michael visits the Reviv clinic in London where he experiences, first hand, the growing consumer interest in the longevity craze. To listen to the rest of the series, find Tech Tonic on your favourite podcast platform by clicking here!Clips: @DaveAspreyBPR, @drjoshaxe, @HealthCoachKait, Hevolution, Pom, Purina, Garnier, 4G antioxidants, @ChrisWillx, @lexfridman, ABC News, C-Span, CBS, ITV This Morning, Wired UK, The Dissenter, Will TennysonThe FT does not use generative AI to voice its podcasts. Hosted on Acast. See acast.com/privacy for more information.

Swamp Notes: The Bethlehem Project is a new FT podcast series that tackles some of the US’s biggest political and economic issues through the lens of one city: Bethlehem Pennsylvania. The city is a politically divided area in a critical swing state, and reflects a lot of conversations happening nationally. The first episode tackles what happens when immigration enforcement comes to town, and the second episode explore what it's like growing up in Donald Trump's America.Subscribe to Swamp Notes here.Note: The FT does not use generative AI to voice its podcasts This is a repeat of episodes published on Swamp Notes, a sister podcast of Untold, on Nov. 10 and Dec. 17, 2025 respectively. Hosted on Acast. See acast.com/privacy for more information.

A toddler in Leeds died from lead poisoning. Laura Hughes speaks to doctors in the UK to learn what must be done to prevent it from happening again. She learns that truly addressing the problem will be a massive undertaking. It would require a complete overhaul of the housing, environmental and food standards systems. But first, we need to find out where the lead is. Learn more about Untold: Toxic Legacy.For more information on how to live safely with lead, please visit the LEAPP Alliance website.Read a transcript of this episode on FT.com Hosted on Acast. See acast.com/privacy for more information.

The UK has some of the oldest housing in the world. Although the use of lead paint is banned, what happens to the paint already on your walls? Laura Hughes speaks to families fighting for answers and the children poisoned by their own homes. She learns that it’s not only old homes that pose a serious risk.For more information on how to live safely with lead, please visit the LEAPP Alliance website.Read a transcript of this episode on FT.com Hosted on Acast. See acast.com/privacy for more information.

Laura Hughes receives a tip that horses are dropping dead in Wales. As she investigates, she finds decades of academic studies researching the problem. She learns these aren’t isolated incidents. Something is spreading across the countryside. It’s undetectable to humans, nobody knows it’s there — until they fall ill.For more information on how to live safely with lead, please visit the LEAPP Alliance website.Read a transcript of this episode on FT.com Hosted on Acast. See acast.com/privacy for more information.