Testosterone is being hailed as the secret to better energy, mood, and sex drive. Here’s what experts say about when it actually does help—and when it doesn’t. Women naturally produce testosterone, a ...

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 ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement therapy (TRT) isn’t the same as taking anabolic steroids. TRT is an ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. You’re feeling unusually tired and ...

The research is still new, but antidepressant medications may lower testosterone in some people. However, this side effect is treatable and usually mild. If you’re one of the millions of people who ...

The treatment has become increasingly popular, especially among older men. Here is what to keep in mind if you are considering it. By David Dodge Testosterone therapy has exploded in recent years.

In a multicenter, randomized, double-blind, placebo-controlled, noninferiority trial, we enrolled 5246 men 45 to 80 years of age who had preexisting or a high risk of cardiovascular disease and who ...

Dr. Sapolsky is a neuroscientist and primatologist. I was observing a 9-year-old male baboon in the Serengeti of East Africa one day in 1983. Baboon troops are very hierarchical, and this baboon was 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 ...

While the science isn’t yet clear, you could join the research that’s working to understand how nicotine affects testosterone levels. Nicotine is a highly habit-forming substance, one that can be in ...