PYY Update
Wednesday September 10, 2003
A recent article from WebMD features updated research on the hormone PYY. Study participants felt more full, and as a result, ate approximately 1/3 less food following a PYY ... Read More

By Jennifer R. Scott, About.com Guide to Weight Loss since 2000
Are your symptoms merely irritating, or could they be a sign of allergies? More >
The best way to treat a headache is to prevent it. Learn how. More >
©2009 About.com, a part of The New York Times Company.
All rights reserved.