Do you know what your hormone levels are? Should you? Your body is home to more than 50 hormones — chemical messengers that compose the endocrine system — and hormonal changes may reflect any number ...

Have you ever wondered whether men experience something similar to women’s menstrual cycle? Or do men, like women, go through ...

By selectively blocking it, the drug pauses sperm production in a reversible way, without the hormone-related side effects seen in other male contraceptives. Right now, men have two main options when ...

Obesity causes insulin resistance by increasing activation of the sympathetic nervous system and the release of the stress hormone norepinephrine, according to a new study. A study from Rutgers Health ...

In a first-of-its-kind study comparing younger and older biological females, researchers at the University of Arizona examine how shifts in estrogen levels can alter the brain’s fear-circuitry — ...

Chronic pain lasts longer for women than men, and new research suggests differences in hormone-regulated immune cells, called monocytes, may help explain why. In a new paper in Science Immunology , ...