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Does fasting provoke overeating? No, notes Jason Fung, MD
Wednesday, May 16, 2018 11:02 am Email this article
If someone fasts for a day, will they eat twice as much the next day?
No according to a new book called The Complete Guide to Fasting: Heal Your Body Through Intermittent, Alternate-Day, and Extended Fasting by Jason Fung, MD and Jimmie Moore.
Studies show that people eat roughly an extra 500 calories on the day after a fast, but not nearly enough to make up for the calories lost on the day where people consume no calories Dr. Fung notes.
“Studies of caloric intake do, in fact, show a slight increase on the first day after fasting.
“On the day after a one-day fast, average caloric intake increases from 2,436 to 2,914.
“But if you factor in what would have normally been consumed during that two-day period, 4,872 calories, there is still a net deficit of 1,958 calories.
“The increased calories don’t come close to making up for the lack of calories on the fasting day.
“Interestingly, with repeated fasting, you may see the opposite effect.
“In the Intensive Dietary Management clinic, my personal experience with hundreds of fasting patients shows that, over time, appetite tends to decrease as the fasting duration increases.”
Interview with Dr. Fung About Fasting
Watch the very interesting interview of Dr. Jason Fung in which he talks about the health benefits and weight loss benefits of fasting.
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