Ask and ye shall receive: http://archive.is/I0KPk From above-linked article:  Researchers in Germany and the U.S. spent five years examining 164 men (ages 32 to 84) and concluded that obesity and other metabolic disorders may be related to low levels of testosterone. Restoring hormone levels helped the group decrease weight by 11 percent (26 pounds) and waist size by 9 percent (3 inches). Another study, by Cornell Medical College, indicated that men with diabetes and obesity have less success with TRT than other men. Of the 58 patients studied, 32 had body mass index (BMI) ratings that labeled them as non-obese. The other 26 were obese.