Read the conversation that Nalis had with Morgentaler to learn how testosterone originally fell out of favor in medicine, how it came back, and what a castrated lizard had to do with it all. FDA ...

Independent analysis examines Fridays' published TRT program structure, delivery format options, and what clinical research indicates for men evaluating prescription testosterone pathways heading into ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

In the U.S., testosterone is a controlled substance, so you’ll need a prescription to acquire it. While you take it, your provider will order blood tests and monitor you closely to ensure treatment is ...

Here’s when and why experts think testosterone should be prescribed to middle-aged women, and how it affects their lives. By Susan Dominus Testosterone use has recently exploded among middle-aged ...

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different perspective has ...

Low testosterone can cause symptoms such as brain fog and fatigue, but new research suggests it's linked to a higher risk of dying early, too.

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.

NPR's Steve Inskeep speaks with FDA Commissioner Martin Makary about the decline in testosterone in men in the U.S. and what his agency wants to... Testosterone levels have declined in men. Here's ...

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 ...

The trending 'T-maxxing' movement has captured attention for its promise of increased testosterone to enhance muscle growth ...