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4

Veritasium created an excellent video just on this topic, which I would recommend watching, but will summarize here. A common misconception is that we loose weight when we digest food or burn calories. Keep in mind that that broken down food and those calories* aren't "going anywhere", so technically you shouldn't loose any mass (unless you get rid of the ...


0

There is an explanation video on the Veritasium YouTube channel https://www.youtube.com/watch?v=lL2e0rWvjKI (not a direct answer through)


1

There is only one way to gain weight, consume things. Thus after any period of time not consuming anything (i.e. sleeping) we must necessarily weigh <= what we weighted at the start of that time period. Add in respiration, and that becomes a strict inequality!


5

There is indeed a slight weight variation during the day. About 2 - 4 lbs (approx. 1 - 2 kg) [1, 2]. Some causes are: water loss through respiration, perspiration or urination [1]. the relative long period without eating and drinking [2]. metabolic processing of food and drinks during sleep. References: Cindy Banyai. ...



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