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 ...

UCSF researchers showed that estrogen can turn on pain signals in the gut, offering new insights into conditions like ...

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 — ...

This might help explain why teen-agers act like, well, teen-agers. Researchers reported that a hormone produced by the body in response to stress that normally serves to calm adults and younger ...

(KNOXVILLE) Tennessee's most beloved quarterback gave one his most emotional interviews ever after an Al Jazeera documentary claimed his wife had Human Growth Hormone sent to their home. "Disgusted is ...