Dr. Mehmet Oz apparently claimed that the president has “the highest testosterone level” of anyone over 70 years old that he ...

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

New U.S. dietary guidelines for the first time include advice for men on maintaining healthy testosterone levels.

Q. You recently wrote that testosterone does not increase the risk for heart attacks. But you overlooked the real risk of ...

Q. You recently wrote that testosterone does not increase the risks for heart attacks. But you overlooked the real risk of testosterone therapy: cancer!