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 ...

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

If you’re taking finasteride — or the brand name versions Propecia or Proscar — you’re probably checking your hairline for changes. But there might be something else you’re worried about changing: ...

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 ...

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 ...

There is no F.D.A.-approved testosterone product for women. Insurance won’t cover it. Many doctors won’t prescribe it. It’s become a cultural phenomenon. Credit... Supported by By Susan Dominus Spend ...