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Nov 10, 2017

Dr. Jason Fung - Deep Dive - Using Fasting / Intermittent Fasting for Optimal Health, Wellness and Longevity with Dr Jason Fung - Part 2


Jason Fung is a world leader when it comes to weight loss and fasting. He is a firm advocate of fasting as a means of not just weight loss, but also healing and detoxification. He is also the author of the popular diet books The Obesity Code and The Complete Guide To Fasting.

In part 2 of our episode, Jason shares his opinions on people who should and shouldn’t fast, how hunger is just all in the mind, a few tips on how to get started with fasting, and why he thinks the food industry is promoting bad eating habits.

"Nothing bad happens when you don't eat for 24 hours.” Jason Fung

In this episode, you’ll learn:

  • Blood sugar doesn't necessarily plummet when you fast.
  • Fasting specifically targets the hormones that affect weight.
  • Food companies promote more meals a day aka snacking because they sell snack foods.
  • Those who are pregnant, malnourished, have eating disorders, and people with a BMI below 20 shouldn’t fast. Everybody else can fast regardless of gender.
  • Fasting is a stressor and increases cortisol the same way as exercise but fasting is a low-level stress compared to exercise. It might increase cortisol but not as much as you do when you train hard.
  • Hunger is lowest at 8 am if your circadian rhythm is aligned properly. It’s because your body has done its job in burning the extra fat and other junk protein to prevent you from getting hungry the moment you roll out of bed.
  • The feeling of hunger gets lower during an extended fast and the body gets used to it. Day 2 is the worst day but the body will adjust accordingly as the fast progresses.
  • Fasting keeps metabolic rate high and actually helps reduce hunger in the long term.
  • Fasting saves you money and time, different compared to other diets that promote a “buy this, cook that” kind of technique.
  • Fasting becomes easy once you do it on a regular basis.

Key Takeaways:

  • Fat is merely stored food energy. You want to use it; you want to eat it.
  • Fasting is infinitely flexible. You can choose to tweak your fast the way you find it easy or how your body responds.

Connect with Jason Fung:

Mentioned in this episode:

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