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

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 ...

A clinical study of 65 men found testosterone injections improved libido for people with diabetes. The study's lead author said the findings were the first to show improvement from testosterone in a ...

This article was reviewed by Darragh O’Carroll, MD. Key takeaways: Testosterone cream is a needle-free testosterone therapy that can effectively raise hormone levels. Benefits include improved ...