What causes adolescent hair loss?

There are many reasons for adolescent hair loss, which may be related to mental stress, staying up late, malnutrition, endocrine disorders, genetics and other factors. Then, in this case, it is recommended that the patient first observe the situation of hair loss, if the hair loss does not exceed 100 roots per day, this is actually normal, the patient does not need to worry too much, but if the hair loss exceeds 100 roots per day, and lasts for more than two or three months, it indicates that there is a possibility of hair loss, then this situation, it is recommended that the patient is best to go to a regular hospital to check, find out the cause, and then according to the examination results symptomatic treatment.