What to do about male hair loss and how to prevent hair loss

　　male hair loss What are the reasons?

　　Alopecia is the phenomenon of hair falling out. The hair that falls off normally is in the catagen and resting phases. Since the hair entering the catagen and the new growth phase are constantly in a dynamic balance, a normal number of hairs can be maintained. The above is normal physiological hair loss. Pathological alopecia refers to abnormal or excessive hair loss, which has many causes.

　　1. Androgenic alopecia

　　skin Hair follicles are the target organ for androgen action, and the scalp is a site with a relatively high density of androgen receptors, making it a place where androgen "likes" to gather. So androgenetic alopecia is the most common type of hair loss, and 95% of hair loss cases fall into this type. The levels of dihydrotestosterone in the serum and scalp of people suffering from androgenic alopecia are higher than those of normal people. Under the long-term effect of dihydrotestosterone, the hair on the scalp, forehead, especially the temporal part and the top of the head, the hair follicles show progressive atrophy and shrinkage, the hair gradually becomes thinner, softer, lighter in color, and less hair. This type of hair loss results in a receding hairline and mild baldness on the head.

　　2. Drugs cause hair loss

　　Some prescription medications may cause hair loss in some people and may cancer The treatment will cause the hair to stop growing and fall out during the treatment. The hair may grow back after the treatment is stopped or after the treatment is completed. If sudden hair loss occurs in the early stages of taking the medication, consult your doctor promptly and make appropriate changes to the treatment plan.

　　3. Pathological, surgical or disease hair loss caused by

　　1 to 3 months after a high fever, severe infection or surgery can cause hair loss; people with certain chronic diseases sexually transmitted diseases Hair loss will continue; abnormal thyroid function can also cause hair loss; some immune diseases, such as severe discoid lupus erythematosus in the scalp, can also cause scalp hair follicles to be "very injured"; mechanical avulsion, burns, chronic deep bacterial or fungal infections can make the head "barren".

　　4、nerve alopecia areata

　　The cause of this type of hair loss is not yet clear. This type of hair loss falls off in sheets, forming a smooth, round bald area the size of a copper coin. Neurological alopecia areata should focus on mental maintenance.

　　What are the methods to prevent hair loss?

　　The metabolism of hair is divided into three stages: rest, growth, and regression, and normal hair loss is a natural manifestation of hair metabolism. It is normal for normal people to lose hair every day. There are many causes of hair loss in summer, which may be due to bad living habits such as hot weather, stressful work, too spicy and stimulating diet, lack of adequate rest and sleep. In addition, incorrect methods of washing and combing your hair are also causes of hair loss in summer.