Hair loss and its clinical presentation in men: The most common cause of hair loss in men is male pattern baldness, known by dermatologists as androgenetic alopecia. Up to 70% of men will experience some degree of hair loss caused by androgens at some point in their lives. While pattern baldness is very common, the onset of hair loss is no less distressing for many of those affected.
Up to 70% of men will experience some degree of pattern baldness at some point in their lives. This area of the web site provide information on the changes in the hair fiber that can occur early in disease development and the patterns of hair loss typically found in men with androgenetic alopecia. The Norwood sclae is a standardized scale which dermatologists use to evaluate the extent of hair loss. Finally, androgen hormoens are discussed as the underlying cause of male pattern baldness.