Genetic. Almost two thirds of men lose their by age 50, and represent androgenetic male pattern alopecia. The majority of cases of male pattern alopecia have a family history of baldness. The genetic pattern thought to be autosomal dominant with mixed penetrance.
Heredity is the. major cause of balding. Female-pattern baldness occurs as hair thins. Male-pattern baldness leads to bald spots & receding hairline. Other causes: Alopecia,Ringworm infection, scarring alopecia (from conditions like Lichen planus, Lupus & Sarcoidosis), hormonal changes (menopause, pregnancy, childbirth), thyroid imbalance, excess Vit. A intake, certain medications, trichotillomania or significant.