Q. I would like to know more about the use of testosterone replacement in men. My understanding is that a recent large-scale ...

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 ...

The FDA is seeking feedback on whether — and how — to expand the number of men prescribed testosterone treatment.

Dr. Helen Bernie said on a Dec. 10 panel hosted by the U.S. Food and Drug Administration that serum testosterone "is one of ...

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 do about it.

For more than 80 years, men have been told that testosterone fuels prostate cancer. But a more nuanced picture has emerged ...

Q. I would like to know more about the use of testosterone replacement in men. My understanding is that a recent large-scale study showed that men using testosterone replacement therapy did not have ...

Among older men with low testosterone levels, testosterone administration for 3 years compared with placebo did not result in a significant difference in the rates of change in atherosclerosis ...

Among older men with low testosterone levels, testosterone administration for three years compared with placebo did not result in a significant difference in the rates of change in atherosclerosis ...

The government disapproves of the hormone for transgender people but is enthusiastic about what it could do for cisgender men.