Do Gut Microbes Control Your Personality? | Kathleen McAuliffe | TED

Biologist Kathleen McAuliffe dives into new research that suggests certain bacteria in your gut can influence major parts of who you are, from your personality to life-changing neurological disorders. Learn more about how this emerging science could change how we treat disease — and discover the impact of your internal microbial makeup on your mood, weight and more. If you love watching TED Talks like this one, become a TED Member to support our mission of spreading ideas: Follow TED! X: Instagram: Facebook: LinkedIn: TikTok: @tedtoks The TED Talks channel features talks, performances and original series from the world’s leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Watch more: TED’s videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy: For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at #TED #TEDTalks #health