Proceedings of the National Academy of Sciences of the United States of America, Vol. 99, No. 6 (Mar. 19, 2002), pp. 4055-4060 (6 pages) We previously reported that testosterone attenuated ...

In popular culture, the phrase "battle of the sexes" seems to pit the male hormone (testosterone) against the female (estrogen). Now a researcher has documented a way in which the two hormones work ...

Testosterone boosters are over-the-counter supplements that claim to raise levels of the hormone in the body and reduce symptoms of low testosterone. However, there is not enough evidence to confirm ...

My recent bloodwork says my testosterone levels are low, which could be the cause of my mood. My ob-gyn gave me a 6 month presciption for Yaz. How does conversion to testosterone take place?

But, consumption of Testogen may decrease your levels of SHBG and prevent the protein from binding with testosterone. In addition, Testogen may prevent testosterone conversion into estrogen as well.

The testicles and ovaries produce testosterone. Producing too little or too much testosterone can affect your physical and mental health. Testosterone is a hormone found in humans, as well as in other ...

Testosterone levels are at their highest during adolescence and early adulthood. Testosterone levels may start to decline after age 30 years in males and between ages 45 and 55 years in females.

If you have low testosterone, it could affect your sex drive. But low testosterone might not be the only reason to blame if you have no libido. iStock/Getty Images You have low testosterone when your ...