Sweat is a kind of body fluid in human body, which is mainly composed of water and salt, while blood is composed of water and protein, which are essentially different.
But sweating itself is a way of detoxification (the endotoxin in obese people is higher than that in normal people), but excessive sweating will do harm to the human body. Although sweating helps to lose weight, it is not an absolute factor. I hope you can think it over.
Sweat is discharged during exercise, and heat in the body is discharged at the same time, which consumes the heat stored in fat and plays a role in losing weight.
Note: The exercise here refers to aerobic exercise.
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