EPISODE · Apr 13, 2026 · 35 MIN
Why Silicon Valley CEOs Fast for 5 Days Straight
from Fuel Different · host Sarah Williams
Marc Benioff doesn't eat for 5 straight days. Neither does Jack Dorsey. What do Silicon Valley's top CEOs know about extended fasting that your doctor probably doesn't? In this episode, Sarah Williams breaks down the science behind why some of the world's most successful people voluntarily starve themselves, and what happens to your body when you stop eating for nearly a week. 🎯 What You'll Learn: • Why autophagy kicks into overdrive at the 72-hour mark, recycling damaged cells at 300-500% normal rates • How your growth hormone can spike by 2000% during extended fasting (and why that's actually good news for your muscles) • The real truth about that dramatic weight loss: 60-70% comes right back because it's water, not fat • When extended fasting becomes dangerous and who should never attempt it 👤 Perfect for: Anyone curious about intermittent fasting who's wondered if going longer could unlock bigger benefits. 📍 Chapters: [00:00] Sarah Williams reveals why CEOs fast for days [01:45] What actually happens hour by hour during a 5-day fast [03:30] The autophagy effect: your body's cellular cleanup crew [05:15] Growth hormone surge: why your muscles don't disappear [07:00] Blood pressure drops and medication adjustments [08:30] Who should never attempt extended fasting [10:15] How to break a 5-day fast without destroying your gut 🔔 Never miss an episode: Follow Fuel Different on Apple Podcasts or Spotify and turn on notifications. New episodes drop daily, your next favorite insight is one tap away. 🔍 Topics: extended fasting, autophagy, intermittent fasting, cellular repair, growth hormone ----- Keywords: nutrition facts, health podcast, lyme disease, cholesterol, health myths, wellness tips Learn more about your ad choices. Visit megaphone.fm/adchoices
What this episode covers
Marc Benioff doesn't eat for 5 straight days. Neither does Jack Dorsey. What do Silicon Valley's top CEOs know about extended fasting that your doctor probably doesn't? In this episode, Sarah Williams breaks down the science behind why some of the world's most successful people voluntarily starve themselves, and what happens to your body when you stop eating for nearly a week. 🎯 What You'll Learn: • Why autophagy kicks into overdrive at the 72-hour mark, recycling damaged cells at 300-500% normal rates • How your growth hormone can spike by 2000% during extended fasting (and why that's actually good news for your muscles) • The real truth about that dramatic weight loss: 60-70% comes right back because it's water, not fat • When extended fasting becomes dangerous and who should never attempt it 👤 Perfect for: Anyone curious about intermittent fasting who's wondered if going longer could unlock bigger benefits. 📍 Chapters: [00:00] Sarah Williams reveals why CEOs fast for days [01:45] What actually happens hour by hour during a 5-day fast [03:30] The autophagy effect: your body's cellular cleanup crew [05:15] Growth hormone surge: why your muscles don't disappear [07:00] Blood pressure drops and medication adjustments [08:30] Who should never attempt extended fasting [10:15] How to break a 5-day fast without destroying your gut 🔔 Never miss an episode: Follow Fuel Different on Apple Podcasts or Spotify and turn on notifications. New episodes drop daily, your next favorite insight is one tap away. 🔍 Topics: extended fasting, autophagy, intermittent fasting, cellular repair, growth hormone ----- Keywords: nutrition facts, health podcast, lyme disease, cholesterol, health myths, wellness tips Learn more about your ad choices. Visit megaphone.fm/adchoices
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Why Silicon Valley CEOs Fast for 5 Days Straight
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