With nearly 3% of American men over 40 boosting their testosterone levels with a prescription supplement, the financial and public health stakes couldn’t be higher. But in increasing numbers, ...

Testosterone is an important hormone. It can boost libido, increase muscle mass, sharpen memory, and bump up energy. Yet, most men lose testosterone with age. A reported 20 to 40 percent of older men ...

Testosterone plays a vital role in various bodily functions, including muscle and bone health, cognition, red blood cell and sperm formation, and sexual and reproductive function in males. Share on ...

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

This article was reviewed by Darragh O’Carroll, MD. There’s a commonly held stereotype that men with high testosterone levels are aggressive beefcakes who are prone to “roid rage,” ready to throw a ...

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different picture has emerged over the past two decades. Subscribe to our newsletter for the latest ...