“I now regularly do 36-hour fasts, and the thing is, I actually feel so much better, and I have to force myself to eat, when the fasting period is over.”
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We haven’t fasted for that length of time, but I admit that fasting does help. I believe it just shrinks your stomach and so when you do eat you don’t feel as hungry and do not consume as much food.
Also, if you are fat-adapted, your body gets better at being able to use your fat stores for energy. But I do fasting more for the autophagy and anti-aging benefits rather than losing weight.