BOSTON, June 30 (Reuters) - Testosterone treatments may build muscle mass in older men, but they may carry a risk of heart problems in people with poor mobility, U.S. researchers said on Wednesday.

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

Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. You’re feeling unusually tired and ...

It is perhaps the biggest men's health craze since Rogaine or Viagra: so-called low testosterone clinics, which have rapidly grown in cities and suburbs all across the country. But these "low T" ...