Testosterone therapy can help men with low hormone levels, but experts warn of serious risks including stroke, prostate ...

Testosterone fuels male sex drive and erectile function and influences everything from bone density and muscle mass to fat distribution, red blood cell production, mood and energy levels.

Testosterone replacement therapy is popular. In men with a deficiency, injections should provide pep, a stronger libido and lower anxiety. Now many with normal levels hope to achieve the same benefits ...

(NewsNation) — Any young adult male you run into has at least once in their life seen one of those television commercials about testosterone. Those ads cover a wide range of topics, from muscle ...