Fast This Way audiobook cover - Burn Fat, Heal Inflammation, and Eat Like the High-Performing Human You Were Meant to Be

Fast This Way

Burn Fat, Heal Inflammation, and Eat Like the High-Performing Human You Were Meant to Be

Dave Asprey

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Health & Nutrition

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Fast This Way
Core Philosophy+
Intermittent Fasting (IF)+
Metabolic Flexibility+
Sleep Integration+
Tailoring for Women+
Spiritual & Mental Growth+

Quiz — Test Your Understanding

Question 1 of 8
According to the book, what is the fundamental difference between hunger and cravings?
  • A. Hunger is a biological message, while cravings are a psychological need.
  • B. Hunger is caused by low insulin, while cravings are caused by high cortisol.
  • C. Hunger can be ignored safely, while cravings indicate a nutritional deficiency.
  • D. Hunger is triggered by processed foods, while cravings are triggered by fasting.
Question 2 of 8
What is 'autophagy', a process triggered by intermittent fasting?
  • A. A metabolic state where the body exclusively burns carbohydrates for rapid energy.
  • B. A process that clears out toxins and pathogens, slowing aging and lowering inflammation.
  • C. A psychological reaction that completely eliminates the desire for highly processed foods.
  • D. A hormonal shift that increases adrenaline and cortisol for better gym performance.
Question 3 of 8
Why does the author recommend developing an inconsistent fasting routine rather than doing OMAD (One Meal A Day) every day?
  • A. Daily OMAD leads to an irreversible slow-down of the metabolism and rapid weight gain.
  • B. The body becomes immune to the benefits of autophagy if OMAD is practiced for more than three consecutive days.
  • C. Doing OMAD every day can cause sex hormones to drop, disturb sleep quality, and cause hair to thin.
  • D. Daily OMAD forces the body to rely entirely on glucose rather than tapping into stored fat.
Question 4 of 8
How does eating too close to bedtime interfere with your health and fasting goals?
  • A. It triggers autophagy prematurely, which can wake you up in the middle of the night.
  • B. It keeps your body digesting, interfering with your circadian rhythm and keeping glucose and insulin levels elevated.
  • C. It causes a sudden drop in blood sugar during REM sleep, leading to morning grogginess and sugar cravings.
  • D. It prevents the glymphatic system from releasing human growth hormone (HGH) the following morning.
Question 5 of 8
What does the book mean by 'metabolic flexibility'?
  • A. The ability to digest any type of processed food without experiencing chronic inflammation.
  • B. The body's ability to efficiently toggle between burning sugar and burning fat for energy.
  • C. The practice of changing your daily eating window to confuse your metabolism and burn extra calories.
  • D. The capacity to exercise for over two hours without needing to consume water or electrolytes.
Question 6 of 8
Why does the author suggest that women need a tailored fasting plan, such as limiting fasts to 14 hours or every other day?
  • A. Women's bodies require a constant intake of glucose to maintain healthy bone density.
  • B. Women naturally produce less human growth hormone, making it harder to build muscle during a fast.
  • C. Women's bodies process C8 MCT oil differently, which can lead to severe digestive issues.
  • D. A woman's amygdala is highly sensitive to perceived threats to reproduction, which can trigger 'famine stress'.
Question 7 of 8
What advice does the author give if you break your fast early by giving in to a craving, like eating a cookie?
  • A. Immediately restart the fasting clock and add four hours to your next fasting window.
  • B. Avoid self-judgment and view the slip-up as an exposure of a spiritual toxin like perfectionism.
  • C. Perform a high-intensity workout to burn off the glucose before it exits the digestive tract.
  • D. Switch to a strict OMAD (One Meal A Day) routine for the rest of the week to compensate.
Question 8 of 8
Beyond dietary fasting, what unconventional type of 'fast' is suggested as actionable advice at the end of the text?
  • A. Fasting from artificial light
  • B. Fasting from speaking
  • C. Fasting from hate
  • D. Fasting from exercise

Fast This Way — Full Chapter Overview

Fast This Way Summary & Overview

Fast This Way (2021) is not just another book touting the benefits of fasting. Instead, it uses the most up-to-date science and the author’s years of experience to outline exactly how to sustainably fast for a long and healthy life.

Who Should Listen to Fast This Way?

  • People struggling with diet-related health problems
  • Aspiring biohackers
  • Anyone looking to up their self-discipline game

About the Author: Dave Asprey

Dave Asprey is a former tech entrepreneur, world-famous biohacker, and the founder of Bulletproof Coffee. He has published multiple New York Times best sellers, including The Bulletproof Diet and Headstrong. 

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