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Diet, Nutrition & Weight Loss
Reply to "Why can’t you “eat” the calories you burn?"
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[quote=Anonymous]All calorie counters have huge margins of error, even ones based on heart rate monitors. A lot of the time they overestimate. Conversely, people are terrible at estimating how many calories they consume and typically massively underestimate. I guarantee that a bunch of posters on the previous thread about eating 1200 calories a day eat way more than that. 1200-1500 calories isn't much at all, and I'm small woman. Calories are also off by as much as 20% on nutrition labels, and the amount of calories in, say, a small apple can vary from 55-80 calories depending on the exact size of the apple. Then of course, there's stuff that isn't well captured by a fitbit, like how many calories you burned fidgeting or using for muscle repair from strength training or from being cold. Counting calories and calories in vs. calories out clearly helps people lose weight, but as estimating it isn't an exact science. I think not eating back all your exercise calories just gives you a margin of error for undercounting calories.[/quote]
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