It checks the level of testosterone in your blood. Your doctor uses it to diagnose conditions caused by too much or too little testosterone. That’s a hormone produced in a man’s testes. Women make ...

In a T-rrible slump? As the primary male sex hormone, testosterone is essential for maintaining libido, erectile function, bone density and muscle mass. Men generally reach peak testosterone in their ...

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

This article was reviewed by Felix Gussone, MD. As the primary male hormone, or androgen, testosterone regulates various aspects of your growth and development as a man. Testosterone plays a central ...

(Health.com)-- Sweaty, sleepless nights. Inexplicable grouchiness. Weight gain, headaches, and no sex drive. Many women approaching menopause can relate -- and so can Mike Coleman. Last year, a string ...

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

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 ...