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

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: Like a lot of men, my colleague Rolfe Winkler and I get bombarded ...

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: ...

KYZATREX ® is a controlled substance (CIII) because it contains testosterone. It is not known if KYZATREX ® is safe or effective in males younger than 18 years old. Improper use may affect bone growth ...

Testosterone replacement therapy is approved by the U.S. Food and Drug Administration to treat low testosterone, aka “low T,” which can be directly linked to some medical conditions like undescended ...

This article is for general informational purposes only and does not constitute medical advice. Testosterone is a prescription-only medicine and should only be used under the supervision of a ...

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

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...