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Anon figures out how dieting works
(sh.itjust.works)
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this post was submitted on 27 May 2024
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1 pound of body fat = 3500 calories, so if your normal caloric requirement is 2500 calories a day and you instead eat 2000 calories a day, you will lose one pound a week. Which doesn't sound like a lot but if you keep that up for one year you can lose 52 pounds - which is a lot.
Alright, but the daily expenditure will go down alongside your current weight. The average* 35 y/o 5'9" man, who exercises at least 30min a day 5 days a week, who weighs 217 will maintain weight at 2,871 while at 165 lbs will maintain at 2,452.
*average is emphasized to help explain why the calorie number is larger than in previous comments, which were a minimum estimate.
A 420 calorie drop from a 52-pound weight loss implies a resting metabolic requirement for body fat tissue of about 8 calories per pound, which I think is a serious overestimate but I'm not sure. I've seen some sources claim 2 calories per pound for fat and 6 calories per pound for muscle, but other sources have claimed significantly higher amounts.
Yeah it's really hard to pin down consistent numbers on this subject due to both interpersonal differences and demographic trends in data.