Why do we have crooked teeth when our ancestors didn't? | G. Richard Scott

For years, Jean Béliveau walked from country to country, with the goal of circumnavigating the globe on foot. While few people have the time or desire to walk such extreme lengths, research shows that adding even a modest amount of walking to your daily routine can dramatically improve your health. So, what exactly happens to your body when you increase your step count? Shannon Odell investigates. [Directed by Avi Ofer, narrated by Susan Zimmerman, music by Cem Misirlioglu]. For a chance to give your own TED Talk, fill out the Idea Search Application: ted.com/ideasearch. Hosted on Acast. See acast.com/privacy for more information.

Andy Laats had the textbook fairytale family setup ... a great job, a happy marriage, three wonderful kids and everything going for them. Until one day, they didn't anymore. In this tender, wise and unexpectedly funny talk, Laats describes the profound lessons he's learned over the years as a father, offering insights that will resonate with anyone who's ever had any kind of family. After the talk, Shoshana interviews Dr. Nadine Burke Harris to discuss how childhood adversity and toxic stress impacts developing brains. For a chance to give your own TED Talk, fill out the Idea Search Application: ted.com/ideasearch. Hosted on Acast. See acast.com/privacy for more information.

While most people think of acne as a skin condition for adolescents, it can also develop in adults. In this bonus episode from CBC’s The Dose, host Dr. Brian Goldman speaks with the head of dermatology at Dalhousie University, Dr. Kerri Purdy. She shares some of the risk factors for acne (genes and hormones, not necessarily diet) as well as the latest treatments. The Dose from CBC Podcasts provides a weekly look at the health news that matters to you. Dr. Brian Goldman brings you the best science from top experts in plain language. He cuts through the BS and confusion to give you a dose of smart advice that you won’t find anywhere else. Find The Dose wherever you get your podcasts, or here: https://link.mgln.ai/TEDxTheDose  For a chance to give your own TED Talk, fill out the Idea Search Application: ted.com/ideasearch. Hosted on Acast. See acast.com/privacy for more information.

Does the type and amount of light you’re exposed to during the day change how well you sleep at night? Diving into the effects of daylight on your internal biological clock, sleep scientist Christine Blume shares practical tips for making natural light part of your daily routine — and shows why stepping outside might be the simplest, most impactful change you can make to get better rest. After the talk, Shoshana interviews Dr. Meredith Broderick, on why people often undervalue sleep and why good sleep hygiene is necessary to be well-rested. For a chance to give your own TED Talk, fill out the Idea Search Application: ted.com/ideasearch. Hosted on Acast. See acast.com/privacy for more information.

Why does losing weight often feel like an uphill battle? Physician Katherine Saunders unpacks how our bodies are wired to store fat, revealing that obesity isn’t simply a lack of willpower — it’s a complex, chronic disease rooted in evolutionary biology. She shares the science behind the latest breakthroughs in treatment, from lifestyle interventions to powerful new medications. For a chance to give your own TED Talk, fill out the Idea Search Application: ted.com/ideasearch. Hosted on Acast. See acast.com/privacy for more information.