Ever wondered where the fat goes during a fast?

This topic contains 4 replies, has 4 voices, and was last updated by simcoeluv 8 years, 3 months ago.

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bigbooty

3:59 am
30 Dec 15
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I was wondering where the fat goes during your fast days. Sure, you metabolise it and doing so creates energy but all that fat just doesn’t disappear. There is physics law called conservation of matter (and energy). You can not create or destroy matter. So this got me wondering as to how the heck you lose weight. It cant just disappear. Well, you actually breathe most of it out!! Watch the youtube clip for the explanation.

https://www.youtube.com/watch?v=vuIlsN32WaE

Jay_U

9:35 pm
13 Jan 16
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I thought you pee’d it out.

bigbooty

12:12 am
14 Jan 16
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Surprisingly you breath most of it out! I stumbled across a survey where they asked people where the weight loss went. Most had no idea. Even a significant amount of medical doctors got the answer wrong!!

JamesFromOz

8:41 pm
22 Jan 16
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This video has an animation that made things easier to understand for me:

https://www.youtube.com/watch?v=Oi7uzVZVEkg

simcoeluv

9:16 pm
22 Jan 16
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Hi James:

The video makes it sound like blood sugar is stored in fat cells. While I am aware of research showing excess blood sugar is stored in fat cells in rats, I am aware of no research that shows blood sugar is stored in human fat cells as glucose or glycogen.

It is pretty well understood that in humans excess blood sugar is first converted to glycogen and stored in the liver and muscle cells, and if there is still some blood sugar left after there is no more room for glycogen storage, it is converted to fat for long term storage in what we call fat cells.

The guy’s accent was good, though.