Bulletproof Radio

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. You’ll learn:The 3 critical stages your body passes through during fastingHow autophagy turns on and begins cellular repairWhat mistakes destroy your progress (like bad refeeding or skipping electrolytes)How to properly prepare, fast, and recover safelyWhy fasting can make your mitochondria stronger, your mind sharper, and your cells younger*** Dave's Biohacking Holiday Gift Guide | Go to https://daveasprey.com/giftguide/ to explore the full guide. ***Timestamps 0:00 - 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 re