Xiao Zhang is a handsome young talent. The only fly in the ointment is that his hair is sparse, and the center of his head is almost a desert. Baldness has become a great regret in Xiao Zhang's life. In fact, baldness is not a disease, but it is not uncommon among men.

In fact, you have been losing your hair, including reading this article. Hair growth, dormancy and shedding are a cyclical process. If your hair falls off faster than it grows, you may suffer from male alopecia, which is commonly called baldness. Except for alopecia caused by some diseases or drug factors, the main cause of alopecia is excessive androgen secretion in the body. Because sebaceous glands are mainly controlled by androgen, if androgen secretion is too strong, the back, chest, especially face and head will secrete too much oil. When the pores on the top of the head are blocked by oil, the nutritional supply of hair will be hindered, which will eventually lead to gradual hair loss and eventually baldness. This is also the reason why baldness rarely patronizes women's heads, because they lack androgens that hinder hair growth. In addition, some researchers have found that men castrated before puberty rarely go bald, for the same reason.

Generally speaking, baldness caused by androgen will not affect your health, but it is undeniable that it will have a great impact on your appearance and self-confidence. However, everything has advantages and disadvantages, and baldness of men is also mixed. According to a large number of scientific experiments and research, male baldness has four physiological advantages.

First, bald people are mostly smart. A few years ago, Ge You, a "bald star", once said on TV: "Busy roads don't grow grass, smart heads don't grow hair". After laughing, we just regard it as a kind of humor and self-mockery of baldy, but in fact this sentence is not unreasonable. According to Asahi Shimbun magazine, men will secrete a lot of androgens during the embryonic period, which can promote the development of the right hemisphere of the brain. The right brain is mainly responsible for identifying image thinking such as images and geometric spaces. Therefore, if there is more androgen secretion in the human body, it will help to maintain and develop the normal physiological activities of the right brain and make people smarter.

Second, bald men are not easy to get cardiovascular diseases. According to modern medical research, male organs that produce androgens mainly include testis and adrenal cortex. Androgen, represented by testosterone, belongs to a class of organic compounds containing both carbon bonds and carbon rings, which is formed by the cleavage of cholesterol molecular bonds and structural transformation. Therefore, the cholesterol of bald men is not easy to accumulate on the vascular wall, which largely avoids vascular diseases, thus reducing the chances of cardiovascular diseases such as hypertension, atherosclerosis and coronary heart disease. In addition, the study also found that androgen can promote the synthesis of protein, so bald men are not prone to osteoporosis.

Third, bald men are not easy to get cancer. Medical research in China has confirmed that the amount of androgen in human body is closely related to the incidence of cancer. The serum of 25 male patients with gastric cancer treated by surgery in jinan military area command General Hospital was analyzed. It was found that the serum testosterone content of these cancer patients was significantly lower than that of those with preoperative baldness. Therefore, for bald men, it is not easy to get cancer because of the strong secretion of androgen in the body and the high level of serum testosterone.

Fourth, bald men live a long life. As we all know, cardiovascular disease, cancer and osteoporosis are common and frequently-occurring diseases that seriously threaten human health and life. Because bald men have a lot of androgens, which can play a magical role in disease prevention and health care. After 12 years of continuous observation, some scientists in the United States measured the hormone levels of 242 bald men aged 50-79. Compared with non-bald people, they found that their mortality rate was 48% lower than that of non-bald people. This confirms the theory that bald people live longer.