Testosterone is a male sex hormone made in the testes. It supports strength and sex drive, stimulates sperm production and sexual function, but it can also affect cholesterol levels. Testosterone and cholesterol share similar chemical structures – both are steroids – and play important roles in the body.

If you’re concerned about low testosterone levels, take a look at your everyday habits and way of life. They could be contributing to a drop.

There is some positive news about marriage.

Researchers from the University of Adelaide in Australia discovered last year that drops in testosterone levels in men are not necessarily just a consequence of age – but are also products of lifestyle and behavior.  Presented at the Endocrine Society’s 94th Annual Meeting in Houston, Texas, the study revealed that being obese, whether or not a man smoked and being depressed were all linked with large drops in testosterone.

It’s nothing compared to what her body goes through—but men experience hormonal changes when their partners are pregnant, finds a new University of Michigan study.

Some like it hot—for a reason: Men who love spicy tastes tend to have higher levels of testosterone, finds new French research.