Total testosterone measures the full amount of the hormone in your blood, while free testosterone represents the small, ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

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 ...

Men with Type 2 diabetes who have low testosterone levels can benefit significantly from testosterone treatment. That is the conclusion of University at Buffalo researchers who conducted the first ...

Testosterone appears protective against developing type 2 diabetes in men who are overweight or obese and under age 65, but not in men over that age, according to a study presented Saturday at ENDO ...

Testosterone therapy is on the rise as men seek more energy and vitality, revealing shifting views on aging and modern ...

Certain health conditions can make it difficult for some men to have normal levels of testosterone. Low testosterone levels, also known as hypogonadism, can affect a person’s life, can cause different ...

We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...