The most common causes of hair loss are simple genetics. The clinical name for genetic hair loss is androgenic alopecia that is also referred to as “male-pattern baldness” or “female-pattern baldness”. Yes, that is correct women can also be predisposed to genetic hair loss as one of the causes of hair loss. Other causes of hair loss are premature alopecia which occurs in 5% of men and means they will begin balding before the age of 20 and other causes of hair loss are alopecia areata which is also referred to as spot balding. In extreme cases alopecia areata can cause the entire scalp to lose hair or even the entire body.