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A comment on Jason Fung explains why intermittent fasting diets work. Parent comment

Re:Jason Fung explains why intermittent fasting diets work by kareemsabri on Friday October 12, 2018 @03:57PM (#18204259)
I think we really over-estimate the degree to which "fasting" for less than one day affects our ability to perform. We're blessed with such an abundance of food in the west that few of us have ever felt real hunger. Your body is so far from hitting a wall after 12 hours of no food it doesn't seem to be anything but mental. I've done tons of fasted weight training and high-intensity cardio.

I grew up doing sunrise to sunset fasts for Ramadan, with no water, and even that was mostly mental.

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Re:Jason Fung explains why intermittent fasting diets work by dingaling on Friday October 12, 2018 @05:07PM (#18204732)
Alternative perspective: after three hours without food during the day I begin physically shaking and have to fight an urge to curl up in a ball.

I can manage about seven hours sleep + a run first thing but I have to start eating as soon as I'm back in the house, and just keep grazing until 22:00

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Re:Jason Fung explains why intermittent fasting diets work by zbentley on Friday October 12, 2018 @10:30PM (#18206063)
It would be a good idea to speak to a physician.

That's not because your current system has any problems--if it works for you, great! But that discomfort you describe is both abnormal and frequently linked to health issues that could cause serious problems over time.

Source: dietician relative on the couch next to me, FWIW.

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Re:Jason Fung explains why intermittent fasting diets work by makewavesnotwar on Friday October 12, 2018 @08:45PM (#18205720)
You might want to get checked for hypoglycemia. That doesn't sound normal. (Unless you pair too much caffeine with your fasting)
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Re:Jason Fung explains why intermittent fasting diets work by tomp on Saturday October 13, 2018 @11:48AM (#18208501)
The fact that you can do nighttime "fast" but get anxious after 3 hours while awake indicates it's just a mental issue as well.
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Re:Jason Fung explains why intermittent fasting diets work by astura on Friday October 12, 2018 @11:07PM (#18206174)
Sounds like you have a serious medical problem, you should see a doctor.
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Re:Jason Fung explains why intermittent fasting diets work by kareemsabri on Friday October 12, 2018 @07:53PM (#18205511)
You're an outlier.
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