Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age of 45, and becomes increasingly prevalent as men ...

This article was reviewed by Felix Gussone, MD. Low Testosterone and Joint Pain: What’s the Connection? Your knees, ankles, hips, and shoulders ache, and you don’t know why. Joint pain can have many ...

Men with below-normal testosterone levels had a 40 percent higher risk of death from any cause compared with men with levels in the high-normal range. Men with extremely low T were about 60 percent ...