Most people think fasting is just about skipping breakfast. But what if 72 hours without food could actually reverse aging?In this video, Dave Asprey breaks down what really happens when you fast for 3 days—and why short fasts don’t reach the deep repair zone your body is built for. Thank you to our sponsors! -HeartMath | Go to https://www.heartmath.com/dave to save 15% off.-Generation Lab | Go to http://generationlab.com/, use code Dave20 for $20 off, and see what your body’s really doing behind the surface.Chapters0:00 - Why 16-hour fasts don’t reach real fat burning0:54 - The myth of aging and what doctors overlook1:48 - How modern life damages your mitochondria2:48 - How fasting restores your body’s repair mode3:39 - Understanding the phases of fasting4:58 - Why short fasts cut results short5:34 - Day 1 of fasting6:45 - Day 2 of fasting7:22 - Day 3 of fasting8:24 - Common fasting mistakes that harm your body9:35 - How to prepare before your fast10:31 - The right way to refeed afterward11:14 - Listening to your body’s signals and responsesResources: • Go To: www.qualialife.com/humanupgrade for an automatic extra 15% discount to try Qualia Creatine. • Get My 2026 Biohacking Trends Report: https://daveasprey.com/2026-biohacking-trends-report/ • Join My Low-Oxalate 30-Day Challenge: https://daveasprey.com/2026-low-ox-reset/ • Dave Asprey's Latest News | Go to https://daveasprey.com/ to join Inside Track today. • Danger Coffee: https://dangercoffee.com/discount/dave15 • My Daily Supplements: SuppGrade Labs (15% Off) • Favorite Blue Light Blocking Glasses: TrueDark (15% Off) • Dave Asprey’s BEYOND Conference: https://beyondconference.com • Dave Asprey’s New Book – Heavily Meditated: https://daveasprey.com/heavily-meditated • Upgrade Collective: https://www.ourupgradecollective.com • Upgrade Labs: https://upgradelabs.com • 40 Years of Zen: https://40yearsofzen.com Connect with Dave Asprey!Website: https://daveasprey.comTikTok: https://www.tiktok.com/@daveaspreyofficialInstagram: https://www.instagram.com/dave.asprey/Facebook: https://www.facebook.com/Daveaspreyofficial/X: https://x.com/daveaspreyYouTube: https://www.youtube.com/c/daveaspreybprThe Human Upgrade Podcast: Instagram: https://www.instagram.com/TheHumanUpgradePodcast/ Facebook: https://m.facebook.com/Thehumanupgrade/See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Ask this episode

“What did the council decide on item 42?” — answered with the speaker and the moment.