Turns out, you actually are what you eat.

There’s a myth that masturbating can lower your testosterone, but it’s not true. However, whether sex decreases or increases testosterone levels really isn’t known, says James Hotaling, MD, a urologist and male fertility expert at the University of Utah in Salt Lake City.

Defense Secretary Pete Hegseth announced a new initiative to test all service members 30 and older on their testosterone levels. Medical experts are concerned.

Add Yahoo as a preferred source to see more of our stories on Google. Reeder explains that testosterone is far more involved than you would first think -- it plays are part in everything from muscle maintenance to energy levels to red blood cell production.

IF YOU'RE LOOKING for ways to increase testosterone levels, you might have heard people talking about Tongkat Ali (AKA Eurycoma longifolia, long jack, and Malaysian ginseng). Whatever you call it, it’s an Asian plant known for being a natural T booster.

Testosterone plays a crucial role in male health, influencing everything from muscle development and energy levels to mood regulation and sexual function. Despite its importance, testosterone levels have declined significantly across populations in recent ...

While some research has shown benefits for patients who qualify, questions remain about the therapy's long-term risks and use among men without a medical need.

Testosterone is an important male hormone. It does a lot for your body, and it wears several different hats. From your bone strength and muscle mass to your intimacy drive and mood, research has linked testosterone to just about every major aspect of male ...

The U.S. military’s new testosterone-screening protocol directly supports its focus on human performance optimization.

IF YOU'RE NOT HITTING THE BALL AS FAR AS YOU USED TO, you can blame your ball, clubs or swing—or all three. But Dr. Ara Suppiah says the reason could be more primal: “As we get older, our testosterone levels drop, and this is the hormone you need for power