What Do You Know About Male Pattern Baldness?

Some men cope with their inevitable loss of hair by wearing a cap most of the time. Some don an artificial hairpiece to cover their loss. Still others shave their whole head. There's more to know about baldness than toupees, though. Learn more by taking this quiz.

1. An average scalp has how much hair?
2. How much hair does the average healthy scalp lose each day?
3. How long can each strand of hair grow before falling out?
4. What percentage of men has lost hair by age 50?
5. What is the cause of male pattern baldness?
6. Where does hair loss usually start?
7. Besides heredity, what can cause hair loss?
8. How may male pattern baldness be treated?