THURSDAY, July 31 (HealthDay News) -- Scientists have taken a step forward in understanding the mechanisms behind a problem that has bedeviled many men, and some women, for all of history: hair loss.

The study identifies a key signaling molecule that tells hair follicles to start the hair-growing cycle.

By Amanda Gardner
HealthDay Reporter

MONDAY, June 16 (HealthDay News) -- Want to know how much hair you're losing?

Start counting -- the hairs on your comb, not on your head.

In the June issue of Archives of Dermatology, scientists demonstrate that a so-called "60-second hair count" is a simple and reliable away to get a grip on whether you're balding and, if so, how fast.

The procedure, which can be carried out in the convenience of your own home, may reassure the adult male -- or not.