Fill in knowledge about hair loss.(The Orange County Register) From: Knight Ridder/Tribune News Service | Date: July 27, 2001| Author: Park, Haeyoun | COPYRIGHT 2001 Knight-Ridder/Tribune News Service. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

More than 45 million Americans suffer from male or female pattern baldness. Here are some facts on hair loss:

Q. What causes hair loss?

A. The most common form of hair loss _ androgenetic alopecia or pattern baldness _ is largely hereditary and is caused by presence of a male hormone called dehydrotestosterone (DHT).

Men with genetic sensitivity to normal levels of DHT will develop male pattern baldness and can begin losing hair in their 20s. Doctor...