One is that people's physique is thin, that is, the body has a physiological state that produces this phenomenon. Basal metabolism refers to the energy budget needed by everyone to maintain basic life activities, with great individual differences, high basal metabolism and more energy consumed by the human body. Secondly, thin people tend to lose body heat because of their thin subcutaneous fat. Because of this, they need to produce more calories to balance, so they consume more energy. Even if they eat more, they are not easy to get fat. The third is caused by some mental factors. Excessive secretion of adrenaline and decomposition of fat, especially stimulated by some mental stress, will make people lose weight in a short time.
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