C is for Cortisol

Your adrenal glands secrete this stress hormone to help you handle threats, but too much can be bad news. Last year, researchers at the University of Leeds in the U.K. linked high levels of cortisol to increased snacking on junk food. Spend the cash you'd pay for a big dinner on a stress-reducing massage. And take a bite out of WH's Stress-Reducing Foods.

Photo by istock Oct 27, 2011

Instant summer weight loss

Discover the ABCs of slim and get bikini-ready this season