Testosterone, which is primarily produced by the sex organs, is responsible for sperm count, sex drive, body hair growth and ...

Many middle-aged and elderly people experience a decrease in motivation and enthusiasm, accompanied by a decline in sexual ...

There’s no shortcut to good sex. Despite a long-held theory among men that having more testosterone equates to a more robust sex drive, the proof of its impact on sexual performance is limp ...

Vin Tangpricha, MD, PhD …Roughly, I would say about 25 percent of men over 45 may have low testosterone. Low testosterone levels have also been associated with decreased muscle mass ...

Testosterone also stimulates sperm production in the seminiferous tubules and activates the prostate gland and seminal vesicles to produce their secretions. The release of testosterone is ...