Some men have long-term muscle training, and the testosterone level in the body rises rapidly, and the hormone is then transformed into a harmful substance, which can damage hair follicles and lead to hair loss. The study found that those who insist on lifting weights for more than two years, three times a week for up to 45 minutes each time, may go bald early. Scientists have found that after a period of fitness, testosterone in the body will increase by an average of 25%; After 30 minutes, the hormone level returned to normal. But at the same time, male hormones will be converted into a chemical called dihydrotestosterone, which will shrink hair follicles and hair roots, resulting in thinning hair. This is also the biggest cause of baldness. Previously, heredity was considered to be the main reason.

Exercise has many benefits to the body, but we should pay attention to the combination of intensity and various training methods. "blindly pursuing the effect of' muscle man' may cause physical injury and reduce hair, which is not worth the candle."