The Bittersweet Truth About What We Eat

The Bittersweet Truth About What We Eat

What should we be eating to live a long and healthy life? How is it that some people can eat absolutely anything and stay slim, while others on a ‘healthy’ diet get fat? Why is it that Cubans are much healthier than Americans, despite eating on average twice the amount of sugar? To unpack the truth behind the often confusing information about the food we eat, Intelligence Squared brought together some of the world’s leading experts on the science of human nutrition and health. Sugar has recently replaced saturated fat as the nutritional enemy number one. The theory is that it messes with our metabolism and causes heart disease, obesity and diabetes. Arguing that sugar is the tobacco of the new millennium in our event was acclaimed science writer Gary Taubes, whose new book The Case Against Sugar has been making waves on both sides of the Atlantic. No one doubts that consuming a lot of sugar is unhealthy, but does the ‘sugar is poison’ theory really tell the whole story? A different explanation lies in a subject that has been getting a lot of attention recently – our gut microbiome. This is made up of the trillions of bacteria that inhabit our intestines and help digest our food and keep us healthy. The bad news is that the diversity of our microbes has plummeted in recent years due to the narrower range of foods and the predominance of processed junk in the Western diet. Research indicates that, rather than any single foodstuff being to blame for the rise of obesity and other modern diseases, the root of the problem lies in our depleted microbiomes. Setting out the new research on our gut bacteria and debunking many popular myths about diet was Tim Spector, an award-winning scientist who runs the British Gut project. What makes the subject even more fascinating is that we all have a very individual cocktail of bacteria in our gut, and research shows that the way we respond to food relates more to our own specific set of microbes than the calories in the food itself. Joining us was Eran Segal, one of world’s leading scientists in this field, who will explain how his lab can wire you up and predict precisely which carbohydrates you should and shouldn’t eat so as to prevent weight gain and be healthy. The results can be surprising. In 60% of cases, they show that you can enjoy sugary ice-cream but should avoid rice. A sharp critic of many of the ‘fashionable’ theories about diet and wellbeing is Sarah Jarvis, a GP who appears regularly on BBC radio and television. Her goal is to help her patients and the general public get the best quality information on nutrition and lifestyle so that they can make the informed decisions they need to be in control of their health. Chairing the event was Xand van Tulleken, a medical doctor and popular television broadcaster, who with his twin brother Chris, has presented a number of documentaries, often testing various diets on their identical genes. Support this show http://supporter.acast.com/intelligencesquared. See acast.com/privacy for privacy and opt-out information. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Episoder(1465)

Is AI About to Automate War? With Anthony King

Is AI About to Automate War? With Anthony King

Are supercomputers and killer robots going to take over? In this episode, Adam McCauley speaks to professor and author Anthony King in order to debunk the science-fiction tinged narrative of AI’s military potential and to, instead, explore the actual applications of AI in the armed forces over the last decade. Professor Anthony King was appointed Director of the University of Exeter’s pioneering Strategy and Security Institute in 2023. He previously held positions at the University of Warwick and the University of Liverpool. He has also been advising the armed forces for over two decades. His latest work is AI, Automation, and War: The Rise of a Military-Tech Complex. --- If you'd like to become a Member and get access to all our full conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit podcastchoices.com/adchoices

30 Sep 1h 5min

Sir Tim Berners-Lee on the Internet, AI and the Future of Humanity (Part Two)

Sir Tim Berners-Lee on the Internet, AI and the Future of Humanity (Part Two)

Watch the full video of this event for free here: https://mailchi.mp/intelligencesquared/lw6gixq1t9 The transcript of this event is available here: https://drive.google.com/file/d/1GvYGaOE-fnDQdFvrTLQjUGcrE6Ra0acN/view?usp=drive_link --- The most influential inventor of the modern world, Sir Tim Berners-Lee is a different kind of visionary. Born in the same year as Bill Gates and Steve Jobs, Berners-Lee famously shared his invention, the World Wide Web, for no commercial reward. Its widespread adoption changed everything — transforming humanity into the first digital species. In September 2025 Berners-Lee came to the Intelligence Squared stage to tell the story of his iconic invention and explore the future of human innovation. Drawing on his new memoir, This is For Everyone, Berners-Lee explored how the web launched a new era of creativity and collaboration, while unleashing a commercial race that today imperils democracies and polarises public debate. As the rapid development of artificial intelligence heralds a new era of innovation, Berners-Lee is the perfect guide to the crucial decisions ahead, and to provide a gripping, in-the-room account of the rise of the online world. With his characteristic optimism, technical insight and wry humour, Berners-Lee discussed the power of technology — both to fuel our worst instincts and to profoundly shape our lives for the better. --- If you'd like to become a Member and get access to all our full ad free conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

28 Sep 36min

Sir Tim Berners-Lee on the Internet, AI and the Future of Humanity (Part One)

Sir Tim Berners-Lee on the Internet, AI and the Future of Humanity (Part One)

Watch the full video of this event for free here: https://mailchi.mp/intelligencesquared/lw6gixq1t9 The transcript of this event is available here: https://drive.google.com/file/d/1GvYGaOE-fnDQdFvrTLQjUGcrE6Ra0acN/view?usp=drive_link --- The most influential inventor of the modern world, Sir Tim Berners-Lee is a different kind of visionary. Born in the same year as Bill Gates and Steve Jobs, Berners-Lee famously shared his invention, the World Wide Web, for no commercial reward. Its widespread adoption changed everything — transforming humanity into the first digital species. In September 2025 Berners-Lee came to the Intelligence Squared stage to tell the story of his iconic invention and explore the future of human innovation. Drawing on his new memoir, This is For Everyone, Berners-Lee explored how the web launched a new era of creativity and collaboration, while unleashing a commercial race that today imperils democracies and polarises public debate. As the rapid development of artificial intelligence heralds a new era of innovation, Berners-Lee is the perfect guide to the crucial decisions ahead, and to provide a gripping, in-the-room account of the rise of the online world. With his characteristic optimism, technical insight and wry humour, Berners-Lee discussed the power of technology — both to fuel our worst instincts and to profoundly shape our lives for the better. --- This is the first instalment of a two-part episode. If you'd like to become a Member and get access to all our full ad free conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices

27 Sep 39min

Hotels with History | Raffles Hotel, Singapore, with Richard E. Grant and Jules Perowne

Hotels with History | Raffles Hotel, Singapore, with Richard E. Grant and Jules Perowne

This is an episode of Hotels with History, produced by Intelligence Squared on behalf of ⁠Perowne International⁠⁠. On todays episode, Richard journeys to Singapore to explore the legendary Raffles Hotel. Discover how four visionary Armenian brothers turned a 10-room beach bungalow into a magnificent Neo-Renaissance palace, where literary giants found their muse, and some of the world’s most famous cocktails were shaken. ⁠⁠Follow on Instagram⁠⁠ Learn more about your ad choices. Visit podcastchoices.com/adchoices

25 Sep 26min

What Did Twenty Years of Western Intervention in Afghanistan Achieve? With Jon Lee Anderson

What Did Twenty Years of Western Intervention in Afghanistan Achieve? With Jon Lee Anderson

For more than 40 years, world-renowned foreign correspondent Jon Lee Anderson has been reporting on wars, crises and revolutions, from Latin America to the Middle East and Africa.  Throughout his career he has made countless visits to Afghanistan, bearing witness to the Soviet invasion and the subsequent US interventions from 9/11 to the present day. His new book, To Lose A War, contains his reporting on the 20-year US military presence in Afghanistan, its disastrous and chaotic end and the return of the Taliban.  In this episode he sits down with foreign correspondent Hannah Lucinda Smith to discuss how the US mission lost its way, the resourcefulness and resilience of Afghanistan’s people and his hopes and fears for the country’s future under a resurgent Taliban. To Lose A War: The Fall and Rise of the Taliban by Jon Lee Anderson is available now. If you'd like to become a Member and get access to all our full conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit podcastchoices.com/adchoices

23 Sep 37min

Who are the Trailblazing Women Hidden From Our History? With Women's Prize Founder Kate Mosse

Who are the Trailblazing Women Hidden From Our History? With Women's Prize Founder Kate Mosse

Did you know that Mary Shelley was a teenager when she started writing Frankenstein in 1814? Or that England’s most prolific goal scorer - man or woman - was superstar striker Lily Parr, who scored a staggering 997 goals between 1919 and 1951? When Kate Mosse launched the #WomenInHistory campaign, asking people to highlight women whose achievements have been overlooked by history, she received thousands of nominations from around the globe. The result is her new book, Feminist History For Every Day of the Year. In it, she celebrates the extraordinary achievements of activists, writers, scientists, politicians and others, some of whom are household names, and others who deserve to be better known. She sat down with broadcaster Shahidha Bari to share some of these incredible stories. They talked about the importance of putting women and girls back into history - including those with complicated or problematic views - and why rights are always fought for, never given, and need to be protected. Kate Mosse is a novelist and founder of the Women’s Prize for Fiction and the Women’s Prize for Non-Fiction. Feminist History For Every Day of the Year is out now. Learn more about your ad choices. Visit podcastchoices.com/adchoices

21 Sep 53min

Is the Data on Climate Change More Optimistic than We Thought? With Hannah Ritchie

Is the Data on Climate Change More Optimistic than We Thought? With Hannah Ritchie

What if the real story of climate change is far more hopeful than we’ve been led to believe? With so much doomsday reporting and general misinformation on climate change, it can be hard to know what’s true - and what actually matters. In this episode, bestselling author and data scientist Hannah Ritchie joins us to examine the data on the biggest questions holding us back: Is it too late? Are we too polarised? Will we run out of the resources we need? Speaking to physicist and broadcaster Helen Czerski, Hannah draws on her new book Clearing the Air to explain that the data paints a surprisingly optimistic picture.  Together Hannah and Helen speak about contextualising progress, bust myths on everything from electric vehicles to wind turbines, and explore the solutions already working to build a cleaner, fairer, and more sustainable future.  If you'd like to become a Member and get access to all our full conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit podcastchoices.com/adchoices

20 Sep 42min

Ian McEwan on Speculative Fiction, Lost Poems and What We Can Know

Ian McEwan on Speculative Fiction, Lost Poems and What We Can Know

Ian McEwan is the critically acclaimed author of nineteen novels and two short story collections.  His novels include Atonement, Enduring Love, The Children Act and On Chesil Beach, and he is the recipient of many awards including the Booker Prize, the Somerset Maugham Award and the Whitbread Novel of the Year Award. In this episode, McEwan sits down with author and journalist Alex Preston to discuss the enduring power of the novel, the challenges of writing climate fiction and his new book What We Can Know. What We Can Know is a work of speculative fiction set in 2119. It is a book about poetry, archives, rising sea levels and the plight of humanity in the vast natural world, and is available now online or in bookstores near you. If you'd like to become a Member and get access to all our full conversations, plus all of our Members-only content, just visit intelligencesquared.com/membership to find out more. For £4.99 per month you'll also receive: - Full-length and ad-free Intelligence Squared episodes, wherever you get your podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series - 15% discount on livestreams and in-person tickets for all Intelligence Squared events  ...  Or Subscribe on Apple for £4.99: - Full-length and ad-free Intelligence Squared podcasts - Bonus Intelligence Squared podcasts, curated feeds and members exclusive series … Already a subscriber? Thank you for supporting our mission to foster honest debate and compelling conversations! Visit intelligencesquared.com to explore all your benefits including ad-free podcasts, exclusive bonus content and early access. … Subscribe to our newsletter here to hear about our latest events, discounts and much more. https://www.intelligencesquared.com/newsletter-signup/ Learn more about your ad choices. Visit podcastchoices.com/adchoices Learn more about your ad choices. Visit podcastchoices.com/adchoices

18 Sep 42min

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