It is the partial or total reduction of hair or hair in a specific area of skin. It affects both sexes, although it is more frequent in men. The causes are several and can have a genetic cause or be linked to aging and skin diseases, but it can also stem from a dysfunction of the thyroid or pituitary gland. Stressful situations, febrile illnesses, general anesthesia, unbalanced weight loss diets can also be the cause of alopecia, as well as some drugs. The evolution is progressive and the resolution is spontaneous or controlled with medical treatment.
