Only 12% of patients prescribed testosterone underwent appropriate diagnostic testing, and overprescribing was common in a single-center US study.

DEAR DR. ROACH: 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 ...

Testosterone—you know it, you love it, you can’t get enough of it. It helps you set PRs, keeps muscle on your body, and makes you more virile. At least that’s mostly true. It’s also true that ...

Learn how sleep affects testosterone, what the research shows, how much sleep lifters need, and when low testosterone ...