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 ...

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 — ...

A study from Rutgers Health and other institutions indicates that stress hormones – not impaired cellular insulin signaling – may be the primary driver of obesity-related diabetes. The paper in Cell ...

Waking up tired after 40 isn’t just frustrating, it can affect hunger hormones and weight. Experts explain why good sleep is ...