1. Female pattern baldness : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
A hair grows from its follicle at an average rate of about 1/2 inch per month. Each hair grows for 2 to 6 years, then rests, and then falls out. A new hair soon begins growing in its place. At any time, about 85% of the hair is growing and 15% is ...• Reviewer: Kevin Berman, MD, PhD, Associate, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Hair loss syndromes  (Trust Mark: Doctor-Reviewed)
Hair loss syndromes are a varied group of disorders and conditions characterized by the gradual or sudden loss of large amounts of hair-most often from the scalp, but sometimes from other areas of the body. Hair loss (or baldness) is sometimes ref...• Author: Rebecca J. Frey PhD