The science of weight loss – and why calories...

What health habits actually protect your brain and long-term health? In this episode, Professor Tim Spector shares the seven health ideas he has changed his mind about after reviewing new research. From oral health and inflammation to vitamin D, sleep, and exercise, Tim explains ...  Show more

Today we’re exploring one of the most ambitious self-experiments in human history. Entrepreneur Bryan Johnson has spent over $2 million in an attempt to slow - or even stop - the ageing process. From diet and supplements to sleep and skin care, every part of his life is measured, ...  Show more

Have you ever counted calories before? What’s one small change you’d like to make in how you eat? Today, Jay invites geneticist and author Giles Yeo to challenge one of the most persistent beliefs in modern health culture: the idea that all calories are created equal. Giles is a ...  Show more

Weight loss isn't complicated, but that sure as hell doesn't make it easy. With so much (mis)information out there, we decided to talk with an expert to get the facts! This week, Suzanne Van Wouw and I recorded a new episode with the wonderful Prof. Giles Yeo on the scien ...  Show more

My guest is Dr. Herman Pontzer, Ph.D., a professor of evolutionary anthropology and global health at Duke University, known for his research on human bioenergetics, particularly energy expenditure and the exercise paradox. We discuss his work comparing highly active hunter-gather ...  Show more

Everything you’ve been told about weight loss is a lie!

In this episode, Dr. Nick Norwitz, a metabolic health expert with accolades from Oxford and Harvard, joins Dave to expose the biggest myth in dieting: Calorie Counting. Together, they dism ...