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

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

If you're interested in maintaining your hormonal levels, you might wonder if there are certain foods that kill testosterone. After all, testosterone naturally decreases with age, so it's ...

Scientists may have come one step further in decoding the essential factors for an optimal long-term relationship. It turns out that testosterone may play a central role. Specifically, high levels of ...

Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes ...