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What Is It?
Hereditary-pattern baldness is the most common cause of hair loss. Hereditary-pattern baldness is not really a disease, but a natural condition caused by some combination of genetics, hormone levels and the aging process.
Almost all men and women will notice hair loss or hair thinning as they age. However, up to 40% of men and women will experience a more obvious form of this condition. Hair loss typically begins in the 20s and 30s, although in women the changes are most noticeable after menopause. The condition is also called androgenetic alopecia and, in men, male-pattern baldness.
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