Androgenic alopecia is the name for male and female pattern baldness. In androgenic alopecia the hair loss occurs slowly over years. It can start anytime after age twenty. There is usually a family history of hair loss. In women, the hair slowly becomes thin throughout the scalp and bald spots usually do not occur.
Men first develop hair loss at the temples, followed by an enlarging bald spot on top of the head.
Not contagious, not caused by foods, not the result of nervousness. Androgenic alopecia often runs in families. One out of ten people who use Rogaine will grow hair. Rogaine will slow the rate of hair loss in five out of ten patients who use it. The other four out of ten are wasting their money.