What do aging Navy dolphins have to do with human longevity? In this fascinating episode, Dr. Stephanie Venn-Watson shares how she discovered C15:0—a newly identified essential fatty acid linked to slower aging, better sleep, and improved metabolic health. We explore how this “good” saturated fat is changing what we thought we knew about dairy, fat, and inflammation. From outperforming metformin in cell models to boosting your body’s natural endocannabinoids, this nutrient might just be the biggest longevity breakthrough in decades. Full show notes: https://bengreenfieldlife.com/c15 Additional Resources: Ben Greenfield Life Website: https://bengreenfieldlife.com/ Ben Greenfield Life Podcast: https://bengreenfieldlife.com/podcast/ Ben Greenfield Books: https://shopbengreenfieldlife.com/collections/books Instagram https://www.instagram.com/bengreenfieldfitness/ Facebook https://www.facebook.com/BGFitness X https://twitter.com/bengreenfield TikTok https://www.tiktok.com/@bengreenfield