My insurance company won’t let me receive my testosterone injection unless I have a low testosterone level at 8 a.m. Does this make any sense? -- T.B. ANSWER: Although I am never fond of insurance ...

My insurance company won’t let me receive my testosterone injection unless I have a low testosterone level at 8 a.m. Does this make any sense? — T.B. Answer: Although I am never fond of insurance ...

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

There might be a growing buzz around testosterone replacement therapy but that doesn't mean it's just a lifestyle trend.

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 tests and monitor you closely to ensure treatment is ...

This article was reviewed by Felix Gussone, MD. Testosterone does more than drive puberty. It influences drive, mood, motivation, and aspects of overall energy. Produced mainly in the testes, this ...