Become a Big Think member to unlock expert classes, premium print issues, exclusive events and more: https://bigthink.com/membership/?utm_source=youtube&utm_medium=social&utm_campaign=membership&utm_content=bt-ytdesc-text-fi-spector-A3_fG1h2a_g Subscribe to Big Think on YouTube ► https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1 Up next, What 85 years of research says is the real key to happiness | Robert Waldinger: Full Interview ► https://www.youtube.com/watch?v=_CxmzkYPvsg Buy Tim Spector's most recent book, Ferment: The Life-Changing Power of Microbes, here: https://www.amazon.com/dp/1529932327?ref_=cm_sw_r_ffobk_cp_ud_dp_5RH9KZJV94J4KJAFTK80&bestFormat=true Could depression, dementia, and poor oral health all have one uniting link? The gut microbiome contains 200 more genes than human cells, and research shows its strong impact on mental illness, brain health, and chronic inflammation. Professor of epidemiology at King's College London Tim Spector breaks down the science of how gut microbes produce the chemicals that shape your mood, your immune system, and your cognitive health, and why the standard Western diet has been systematically destroying them for 50 years. Correction: 33:18 The text card contains a typo. It says "Eat 30 plats a day" when it should say "Eat 30 plants a week" Read the video transcript ► https://bigthink.com/series/full-interview/tim-spector-gut-microbiome/?utm_source=youtube&utm_medium=video&utm_campaign=youtube_description © Freethink Media Inc., All Rights Reserved. ---------------------------------------------------------------------------------- Go Deeper with Big Think: ►Become a Big Think Youtube Member Get exclusive classes and early, ad-free access to new releases without leaving Youtube. https://www.youtube.com/@bigthink/membership/ ►Become a Big Think Web Member Get the entire Big Think Class library, premium print issues, live events, and more. https://bigthink.com/membership/ ►Subscribe to Big Think on Substack Get all of your favorite Big Think content delivered to your inbox. https://bigthinkmedia.substack.com/subscribe/ ►Listen to Big Think Interviews on Spotify Insights from the world's biggest thinkers, now as a podcast https://open.spotify.com/show/7KRYoRD1NdF2aoQcBMyPlb ---------------------------------------------------------------------------------- About Tim Spector: Tim Spector is a Professor of Epidemiology at King’s College London, director of the Twins UK study, scientific co-founder at ZOE, and one of the world’s most-cited scientists. He's also the author of the bestsellers, Spoon-Fed, The Diet Myth, Food for Life, and Ferment.