The fact that a number of studies have found that weight loss may cure sleep apnea is positive news for people who suffer from this condition. Of all the methods for treating sleep apnea, weight loss and making other positive lifestyle changes, such as quitting smoking and getting more exercise, have the most dramatic effects.

Leptin is a hormone produced by fat cells and found in the blood plasma. One area of growing interest lately has been in determining the exact role that the hormone leptin plays in regulating metabolism and hunger.