White hair

Grey hair refers to all or part of the hair turning white, which can be divided into congenital and acquired. Congenital gray hair often has a family history, with limited gray hair more common, more common in the front hair border. Acquired gray hair includes senile gray hair and juvenile gray hair. Some are frail and have few white hairs. Juvenile white hair occurs in children and adolescents. They often have a family history. Except for increased white hair, it does not affect physical health. The white hair that suddenly occurred during adolescence was related to nutritional disorders. Mental factors can affect hair whitening. Gray hair can be a symptom of certain diseases, such as premature aging, vitiligo and so on.