What is white hair?

White hair is all or part of the hair turning white, which is called white hair. It can be divided into congenital and acquired. Congenital white hair often has a family history, with localized white hair more common, more common in the front hair; Congenital white hair is rare and often occurs in patients with white hair. Acquired white hair includes senile white hair and juvenile white hair. White hair in the elderly is mostly a physiological phenomenon. Although gray hair of the elderly is a phenomenon of aging, personal circumstances are different. Some old people are full of silver hair, energetic and generally in good health. Some are old and weak, with a little white hair.

Adolescent white hair is common in children and adolescents, and often has a family history. Except for the increase of white hair, it does not affect health. The sudden appearance of white hair in adolescence is related to malnutrition.

Mental factors can affect hair turning white, and it is reported that people who are extremely anxious can lead to white hair. White hair can be a symptom of some diseases, such as Alzheimer's disease and vitiligo.

At present, there is no effective treatment for the disease, so patients should be helped to treat the disease correctly to avoid mental stress and depression. Hair dye is a common cosmetic for white-haired people, but it can cause hair dermatitis and should be used with caution.

The disease of white hair has long been recorded in Chinese medicine. For example, the white hair syndrome in Etiology: "The kidney governs the bone marrow, and its flowers are in the hair. If the blood gas is abundant, the kidney gas is vigorous, and the kidney gas is vigorous, the bone marrow is full, so it is moist and black; If qi and blood are deficient, kidney qi is weak, and kidney qi is weak, then bone marrow fails, so it turns white. "