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: ...

What used to be a niche treatment for men with legitimate medical conditions has morphed into "youth and vigor" as a ...

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 ...

Xyosted (testosterone enanthate) is a brand-name injectable drug that’s prescribed for testosterone deficiency in some adults. As with other drugs, Xyosted can cause side effects, such as headache, ...