http://articles.mercola.com/sites/articles/archive/2002/09/04/weight-part-two.aspxOne of the biggest challenges for dieters is keeping the weight off. Previous research has shown that the hormone leptin decreases food consumption while increasing fat metabolism and energy expenditure. Researchers delivered leptin into the brains ofenCommunityServer 2008.5 SP1 (Build: 31106.3070)