Why do I have so many Mao Mao?

Most of the hair on the body may be related to heredity, and another possibility is that androgen secretion is too strong. In this case, you can check a sex hormone and see. Generally, adults can still be treated with lasers.

At the beginning of evolution, people also had very thick hair, which helped to keep a healthy body temperature and avoid catching a cold. But after continuous evolution, with clothes and shoes, some body hair has lost its value, and gradually most people have lost their thick hair.

Body hair on legs and arms: it can protect the skin to a certain extent, prevent dust, bacteria and mosquitoes from directly biting the skin, and play a certain protective role. But also because of the existence of leg hair, it can help the skin to dissipate heat and cool the human body.