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(1466)

Can we have prosperity without growth? With Tim Jackson

Can we have prosperity without growth? With Tim Jackson

Is prosperity possible without growth? And in an age of environmental crisis and rising inequality, is our obsession with economic expansion doing more harm than good? On the podcast today, renowned economist Professor Tim Jackson challenges the very foundations of our economic thinking. In his groundbreaking book 'Prosperity Without Growth', Jackson argued that relentless pursuit of GDP not only fails to deliver human well-being — it actively damages both society and the planet. Now, in his latest book 'The Care Economy', Jackson issues a powerful warning: our fixation on growth has come at the cost of the most vital parts of our lives — care, health, and human connection. In a world that undervalues care work and prioritises profit over people, what would it take to build an economy centred on well-being instead of wealth? Jackson sat down with broadcaster Carl Miller to explore the future of prosperity, and why reimagining our values might just be the most important economic decision we face. ------ 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

24 Mai 52min

Is Your Phone Controlling Your Life? With Kaitlyn Regehr (Part Two)

Is Your Phone Controlling Your Life? With Kaitlyn Regehr (Part Two)

The ‘Smartphone-free Childhood’ movement has alerted many of us to the dangers inherent in our – and our kids’ – use of devices. But while we can shield children from technology in their early years, withdrawing from the online world is not an option for most of us in adult life. So how do we ensure that we – and our children when they grow up – develop a healthy relationship with smartphones and don’t become addicted to mindless scrolling and harmful consumption? On May 13, Professor Kaitlyn Regehr – one of the world’s foremost experts on digital literacy – comes to Intelligence Squared to set out the science of smartphone addiction. She will provide a practical guide for taking advantage of the good things the internet has to offer while giving advice on how to avoid its darker side. Regehr will discuss how to think critically in a digital environment that is constantly seeking to harvest your attention and how to understand misogyny, pornography, politics, body image, advertising and violence online. ------ 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

22 Mai 36min

Is Your Phone Controlling Your Life? With Kaitlyn Regehr (Part One)

Is Your Phone Controlling Your Life? With Kaitlyn Regehr (Part One)

The ‘Smartphone-free Childhood’ movement has alerted many of us to the dangers inherent in our – and our kids’ – use of devices. But while we can shield children from technology in their early years, withdrawing from the online world is not an option for most of us in adult life. So how do we ensure that we – and our children when they grow up – develop a healthy relationship with smartphones and don’t become addicted to mindless scrolling and harmful consumption? On May 13, Professor Kaitlyn Regehr – one of the world’s foremost experts on digital literacy – comes to Intelligence Squared to set out the science of smartphone addiction. She will provide a practical guide for taking advantage of the good things the internet has to offer while giving advice on how to avoid its darker side. Regehr will discuss how to think critically in a digital environment that is constantly seeking to harvest your attention and how to understand misogyny, pornography, politics, body image, advertising and violence online. ------ 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

20 Mai 34min

Tariff Special: The Intelligence Squared Economic Outlook with Helen Thompson (Part Two)

Tariff Special: The Intelligence Squared Economic Outlook with Helen Thompson (Part Two)

‘The world as we knew it is gone’ – UK Prime Minister Sir Keir Starmer’s response to Trump’s tariffs President Donald Trump recently announced a 90-day pause for his monumental ‘liberation day’ tariffs while at the same time escalating a dangerous trade war with China. Trump’s announcement came just weeks after import taxes on all goods entering the US were introduced, in the biggest upheaval of international trade in decades. And beyond the chaos and endless news cycle of the last few days, Trump’s key advisers are introducing a broader set of fringe economic ideas that they believe will transform politics and economics at home, as well as the foundations of US power abroad. In May 2025, Helen Thompson, expert on the long history of globalisation and author of the acclaimed book Disorder: Hard Times in the 21st Century came to Intelligence Squared to make sense of the seismic shifts we are witnessing in the global economy and how they will impact us here in the UK. She was joined on stage by BBC broadcaster Jonny Dymond for this event in our Intelligence Squared Economic Outlook series in partnership with Guinness Global Investors. This recording is part of The Intelligence Squared Economic Outlook series of events made in partnership with Guinness Global Investors, an independent British fund manager that helps both individuals and institutions harness the future drivers of growth to achieve their investment goals. To find out more visit: https://www.guinnessgi.com/ ------- 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

18 Mai 36min

Tariff Special: The Intelligence Squared Economic Outlook with Helen Thompson (Part One)

Tariff Special: The Intelligence Squared Economic Outlook with Helen Thompson (Part One)

‘The world as we knew it is gone’ – UK Prime Minister Sir Keir Starmer’s response to Trump’s tariffs President Donald Trump recently announced a 90-day pause for his monumental ‘liberation day’ tariffs while at the same time escalating a dangerous trade war with China. Trump’s announcement came just weeks after import taxes on all goods entering the US were introduced, in the biggest upheaval of international trade in decades. And beyond the chaos and endless news cycle of the last few days, Trump’s key advisers are introducing a broader set of fringe economic ideas that they believe will transform politics and economics at home, as well as the foundations of US power abroad. In May 2025, Helen Thompson, expert on the long history of globalisation and author of the acclaimed book Disorder: Hard Times in the 21st Century came to Intelligence Squared to make sense of the seismic shifts we are witnessing in the global economy and how they will impact us here in the UK. She was joined on stage by BBC broadcaster Jonny Dymond for this event in our Intelligence Squared Economic Outlook series in partnership with Guinness Global Investors. This recording is part of The Intelligence Squared Economic Outlook series of events made in partnership with Guinness Global Investors, an independent British fund manager that helps both individuals and institutions harness the future drivers of growth to achieve their investment goals. To find out more visit: https://www.guinnessgi.com/ ------- 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

17 Mai 38min

Can Mathematics Fuel Creativity? With Marcus du Sautoy  (Part Two)

Can Mathematics Fuel Creativity? With Marcus du Sautoy (Part Two)

From the earliest stone circles to Mozart’s obsession with numbers to the radically modern architecture of Zaha Hadid, maths and creativity are interwoven across time and space. Whether we are searching for meaning in an abstract painting or finding patterns in poetry, there are blueprints everywhere: symmetry, prime numbers, the golden ratio and more. In May 2025 we were joined by award-winning mathematician and Oxford professor Marcus du Sautoy as he looked to the arts to uncover the key mathematical structures that underpin both nature and human creativity. Drawing on his new book, Blueprints, du Sautoy explored how we make art, why a creative mindset is vital for discovering new mathematics, and how a fundamental connection to the natural world intrinsically links these two subjects. ----- 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

15 Mai 34min

Can Mathematics Fuel Creativity? With Marcus du Sautoy (Part One)

Can Mathematics Fuel Creativity? With Marcus du Sautoy (Part One)

From the earliest stone circles to Mozart’s obsession with numbers to the radically modern architecture of Zaha Hadid, maths and creativity are interwoven across time and space. Whether we are searching for meaning in an abstract painting or finding patterns in poetry, there are blueprints everywhere: symmetry, prime numbers, the golden ratio and more. In May 2025 we were joined by award-winning mathematician and Oxford professor Marcus du Sautoy as he looked to the arts to uncover the key mathematical structures that underpin both nature and human creativity. Drawing on his new book, Blueprints, du Sautoy explored how we make art, why a creative mindset is vital for discovering new mathematics, and how a fundamental connection to the natural world intrinsically links these two subjects. ------ 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

13 Mai 34min

What Can Ancient Civilisations Teach Us About Survival? With Lizzie Wade

What Can Ancient Civilisations Teach Us About Survival? With Lizzie Wade

What if apocalypse isn’t the end of the world - but a chance to remake it? On today’s episode we’re joined by science journalist Lizzie Wade to explore Apocalypse, her bold new book about how catastrophe has shaped humanity’s past and can forge more just futures. Drawing on archaeology and anthropology, Wade reframes collapse not as destruction but transformation - revealing how people have endured pandemics, climate shocks, and civilisational upheaval before, and what their stories can teach us now. Joining Wade in discussion is global historian and author of On Savage Shores: How Indigenous Americans Discovered Europe, Caroline Dodds Pennock. ---- 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

11 Mai 42min

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