Testosterone replacement has long been prescribed for men who suffer from abnormally low levels of the male sex hormone, but overuse can lead to infertility and can even speed the growth of prostate ...

Testosterone is a naturally occurring steroid hormone. Despite its status as a steroid, prescription testosterone replacement ...

What Is Low Testosterone (Testosterone Deficiency)? Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age ...

Feeling sluggish, uninterested in the gym, or more cuddly around the midsection? Before you blame it all on low testosterone and rush to the supplement aisle, join the Who Cars Guys and Dr. John Smith ...

A more accurate way to determine if your testosterone levels are notably low is to look for symptoms and/or signs associated with low testosterone in combination with low total testosterone levels.

Testosterone is a sex hormone that regulates a number of processes in the human body, including fertility, sex drive, bone mass, fat distribution, muscle mass, and red blood cell production.

Everyone produces testosterone, regardless of sex. Not only is it a pivotal hormone in development (particularly for males) and for masculine characteristics, it's also essential for muscle growth, ...

Testosterone boosters are over-the-counter supplements that claim to raise levels of the hormone in the body and reduce symptoms of low testosterone. However, there is not enough evidence to confirm ...

What Is Low Testosterone in Women? If your body doesn't get enough of a hormone called testosterone, you may have low levels. Testosterone can contribute to a lower sex drive. But how low testosterone ...

Your patients may see ads claiming that testosterone replacement therapy (TRT) offers postmenopausal women health benefits beyond restored sex drive: that TRT can improve their mood, energy, and ...

Dear Doctor K: I'm a 68-year-old man who has been feeling more tired and less "sexy" over the past several months. My doctor says my blood testosterone level is normal, but "low normal" — a little bit ...