ABC News – Dr. Joshua Zeichner: "Movember: Science of the 'Stache"

It's "Movember," which means mustaches will be sprouting on faces everywhere to raise awareness for prostate and testicular cancer.

New York, NY
 – November 5, 2013  –– 

Whether you opt for the handlebar 'stache or the pencil 'stache, there are a few things to know about the 'mo. Like any other body hair, mustaches likely evolved to protect and keep the skin warm, said Joshua Zeichner, MD, a dermatologist at The Mount Sinai Hospital. "A lot of that has to do with genetics," Dr. Zeichner explained. "Some men just have very sparse beards." Learn more