This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

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 one of the few hormones that’s broken out of biology textbooks and into the popular consciousness. For years it has been a shorthand for all things stereotypically male—ever notice how ...

New U.S. dietary guidelines for the first time include advice for men on maintaining healthy testosterone levels.

Some foods, drinks and supplements often associated with generally healthy eating may influence hormone levels in limited or extreme circumstances, according to medical experts. Testosterone levels ...

Haupt is a health and wellness editor at TIME. Haupt is a health and wellness editor at TIME. Cate Hall’s sex drive tanked when she hit 40. After months of trying—and failing—to boost it, she read a ...