Baldness is often blamed on poor circulation to the scalp, vitamin deficiencies, dandruff, and even excessive hat-wearing. All of these theories have been disproved. It's untrue that hair loss can be determined by looking at your maternal grandfather, or that 40-year-old men who haven't lost their hair will never lose it.

*Aging
*A change in hormones
*A Family history of baldness

As a rule, the earlier hair loss begins the more severe the baldness will become.