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

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What Can The Stoics Teach Us About Capitalism?

What Can The Stoics Teach Us About Capitalism?

In this episode of Intelligence Squared, financier, philanthropist, and author Robert Rosenkranz joins host Bill Browder for a thought-provoking conversation on how ancient wisdom can power modern achievement. Drawing from his latest book, The Stoic Capitalist, Rosenkranz explores how Stoic philosophy—rooted in ideas from 300 BC—can be applied to create a life of accomplishment, fulfillment, and impact in today’s fast-paced world. ---- 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

10 Maj 40min

Are you morally ambitious? With Rutger Bregman (Part Two)

Are you morally ambitious? With Rutger Bregman (Part Two)

Moral ambition is the will to make the world a wildly better place. To devote your career to the greatest challenges of our time. To be one of the best, but measured by a new standard of success.’ – Rutger Bregman The brightest minds of our generation may dream of changing the world. But in reality most high achievers will settle for making a lot of money for themselves and their family. World renowned historian and bestselling author Rutger Bregman is on a mission to change that. In April, Bregman came to Intelligence Squared in venues across the UK to convince us that in our age of crisis, we need to stop wasting our talent in jobs that solely provide personal enrichment. Instead if we want to live a successful life we must devote our careers to making the world a radically better place. Bregman discussed why in 2025 social progress is not only stagnating in places but actively going in reverse. He argued that there are lessons from history that can help us overcome this trend and explain that the greatest change-makers have always needed to be both idealistic and ambitious. Drawing from his new book Moral Ambition: Stop Wasting Your Talent and Start Making a Difference, he discussed why efforts to ‘raise awareness’ of social problems are overrated and uncover what he believes are the real qualities that have made change possible. He told the stories of some of history’s great changemakers such as the German soldier who refused to salute Hitler or the Cambridge University student who dedicated his life to abolishing slavery. Bregman explained what made these changemakers so persuasive, influential and effective in achieving their goals. He showed how we, too, can lend our talents to the biggest challenges of our time. With moral ambition he argued, we can do more than be on the right side of history: we can start to make history itself. In addition to the book Rutger Bregman will be launching The School of Moral Ambition. To find out more click here --------- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

8 Maj 35min

Are you morally ambitious? With Rutger Bregman (Part One)

Are you morally ambitious? With Rutger Bregman (Part One)

Moral ambition is the will to make the world a wildly better place. To devote your career to the greatest challenges of our time. To be one of the best, but measured by a new standard of success.’ – Rutger Bregman The brightest minds of our generation may dream of changing the world. But in reality most high achievers will settle for making a lot of money for themselves and their family. World renowned historian and bestselling author Rutger Bregman is on a mission to change that. In April, Bregman came to Intelligence Squared in venues across the UK to convince us that in our age of crisis, we need to stop wasting our talent in jobs that solely provide personal enrichment. Instead if we want to live a successful life we must devote our careers to making the world a radically better place. Bregman discussed why in 2025 social progress is not only stagnating in places but actively going in reverse. He argued that there are lessons from history that can help us overcome this trend and explain that the greatest change-makers have always needed to be both idealistic and ambitious. Drawing from his new book Moral Ambition: Stop Wasting Your Talent and Start Making a Difference, he discussed why efforts to ‘raise awareness’ of social problems are overrated and uncover what he believes are the real qualities that have made change possible. He told the stories of some of history’s great changemakers such as the German soldier who refused to salute Hitler or the Cambridge University student who dedicated his life to abolishing slavery. Bregman explained what made these changemakers so persuasive, influential and effective in achieving their goals. He showed how we, too, can lend our talents to the biggest challenges of our time. With moral ambition he argued, we can do more than be on the right side of history: we can start to make history itself. In addition to the book Rutger Bregman will be launching The School of Moral Ambition. To find out more click here --------- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

6 Maj 36min

Author of Four Thousand Weeks Oliver Burkeman on How To Live Well (Part Two)

Author of Four Thousand Weeks Oliver Burkeman on How To Live Well (Part Two)

Acclaimed author and journalist Oliver Burkeman has captivated readers with his refreshing insights on how to embrace the finiteness of existence and find meaning in the everyday. Author of the bestselling book Four Thousand Weeks: Time Management for Mortals and formerly a columnist for the Guardian, Burkeman challenges conventional productivity advice, offering a more realistic perspective on how to live well. In April 2025 Burkeman came to the Intelligence Squared stage, where he was in conversation with Financial Times Columnist Tim Harford, to discuss Meditation for Mortals: Four Weeks to Embrace Your Limitations and Make Time for What Counts – the sequel to Four Thousand Weeks. Together, they explored how letting go of the relentless pursuit of productivity and accepting our imperfections can lead to a more fulfilling life. ----- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

4 Maj 35min

Author of Four Thousand Weeks Oliver Burkeman on How To Live Well (Part One)

Author of Four Thousand Weeks Oliver Burkeman on How To Live Well (Part One)

Acclaimed author and journalist Oliver Burkeman has captivated readers with his refreshing insights on how to embrace the finiteness of existence and find meaning in the everyday. Author of the bestselling book Four Thousand Weeks: Time Management for Mortals and formerly a columnist for the Guardian, Burkeman challenges conventional productivity advice, offering a more realistic perspective on how to live well. In April 2025 Burkeman came to the Intelligence Squared stage, where he was in conversation with Financial Times Columnist Tim Harford, to discuss Meditation for Mortals: Four Weeks to Embrace Your Limitations and Make Time for What Counts – the sequel to Four Thousand Weeks. Together, they explored how letting go of the relentless pursuit of productivity and accepting our imperfections can lead to a more fulfilling life. ------ 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

3 Maj 35min

Jonathan Haidt on How to Free the Anxious Generation (Part Two)

Jonathan Haidt on How to Free the Anxious Generation (Part Two)

“This great rewiring of childhood, I argue, is the single largest reason for the tidal wave of adolescent mental illness that began in the early 2010s.” — Jonathan Haidt The mental health of young people has become one of the most pressing issues of our time. In recent months, debates have raged about the impact of smartphones on adolescent wellbeing: Should they be banned in schools? Should children under 14 or 16 even have access to them? These questions have fuelled a growing movement to address the crisis in youth mental health — and no one has done more to lead this conversation than American social psychologist Jonathan Haidt. Haidt’s groundbreaking book, The Anxious Generation: How the Great Rewiring of Childhood Is Causing an Epidemic of Mental Illness, has topped bestseller lists on both sides of the Atlantic, sparking urgent conversations among parents, educators and policymakers. Drawing on years of research, Haidt argues that the dramatic rise in adolescent mental distress is linked to two seismic shifts: the decline of free play in childhood and the proliferation of smartphones. As the paperback edition of The Anxious Generation hit the shelves, Haidt returned to the UK to share a hopeful message: it’s not too late to act. In conversation with BBC journalist Jonny Dymond, he outlined practical strategies for parents, teachers and teenagers to counter the forces eroding mental wellbeing — and inspire a new generation to thrive. ------- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

1 Maj 39min

Jonathan Haidt on How to Free the Anxious Generation (Part One)

Jonathan Haidt on How to Free the Anxious Generation (Part One)

“This great rewiring of childhood, I argue, is the single largest reason for the tidal wave of adolescent mental illness that began in the early 2010s.” — Jonathan Haidt The mental health of young people has become one of the most pressing issues of our time. In recent months, debates have raged about the impact of smartphones on adolescent wellbeing: Should they be banned in schools? Should children under 14 or 16 even have access to them? These questions have fuelled a growing movement to address the crisis in youth mental health — and no one has done more to lead this conversation than American social psychologist Jonathan Haidt. Haidt’s groundbreaking book, The Anxious Generation: How the Great Rewiring of Childhood Is Causing an Epidemic of Mental Illness, has topped bestseller lists on both sides of the Atlantic, sparking urgent conversations among parents, educators and policymakers. Drawing on years of research, Haidt argues that the dramatic rise in adolescent mental distress is linked to two seismic shifts: the decline of free play in childhood and the proliferation of smartphones. As the paperback edition of The Anxious Generation hit the shelves, Haidt returned to the UK to share a hopeful message: it’s not too late to act. In conversation with BBC journalist Jonny Dymond, he outlined practical strategies for parents, teachers and teenagers to counter the forces eroding mental wellbeing — and inspire a new generation to thrive. ------- 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 Learn more about your ad choices. Visit podcastchoices.com/adchoices

30 Apr 40min

A Cultural History of Privacy, with Tiffany Jenkins

A Cultural History of Privacy, with Tiffany Jenkins

What does it mean to have a private life? Our guest today is Tiffany Jenkins, a writer, cultural historian and broadcaster. She is the author of the acclaimed Keeping Their Marbles: How Treasures of the Past Ended Up in Museums and Why They Should Stay There, and a former honorary fellow in the History of Art at the University of Edinburgh. She wrote and presented the BBC Radio 4 series ‘A History of Secrecy’ and ‘Contracts of Silence', about the rise of non-disclosure agreements. Today we’ll be discussing her latest book, Strangers & Intimates: The Rise and Fall of Private Life, which traces the meaning of privacy from ancient times to our digital present, exploring how privacy shaped the modern world and why it remains crucial for our personal and collective freedom. Joining her to discuss the book is Carl Miller, the journalist, co-founder of the Centre for the Analysis of Social Media at Demos, and host of crime podcast Kill List. ---------- 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

28 Apr 55min

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