Dax Shepard opened up about his use of testosterone injections in a new episode of his podcast, "Armchair Expert." Shepard revealed that he was using the shots after guest Ashton Kutcher complimented ...

Why insurance requires an 8 a.m. testosterone test and what causes hand numbness and locking fingers.

Testosterone. Even the word alone sounds manly. For men, testosterone is important for drive, fertility, heart health, bone health, energy and mood — to name just a few benefits. When you have low ...

This article was reviewed by Felix Gussone, MD. In the U.S., testosterone is a controlled substance, so you’ll need a prescription to acquire it. While you take it, your provider will order blood ...