Need another reason to work out? Obese Teen Boys Have Up to 50 Percent Less Testosterone than Lean Boys

http://www.buffalo.edu/news/13736

Obese Teen Boys Have Up to 50 Percent Less Testosterone than Lean Boys, UB Study Finds

Results send "grim message" that obese teen males may become impotent, infertile adults

BUFFALO, N.Y. -- A study by the University at Buffalo shows for the first time that obese males ages 14 to 20 have up to 50 percent less total testosterone than do normal males of the same age, significantly increasing their potential to be impotent and infertile as adults.