By Medical XPress 10/12/2012
“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.”
Read the entire article: http://medicalxpress.com/news/2012-10-obese-teen-males-impotent-infertile.html