The first thing to look into is metabolism, specifically, Resting Metabolic Rate. This is the amount of fats you burn when you are at rest for your bodily activities to go on well. The reason why men expend more fats than ladies when at rest is because men are bigger. The resting metabolic rate for a resting man is more than that of a resting woman of the same height and weight. The bigger your body is, the more the fats it burns.
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