Hormones are the body’s chemical messengers. They act on various tissues and organs in the body to change their behavior. For example, the hormone prolactin stimulates the production of breastmilk.

Hormones coordinate different body functions by carrying messages through the bloodstream to target cells and tissues. Hormonal imbalances occur through inadequate or excess hormone synthesis, which ...

Hormone replacement therapy, also called menopausal hormone therapy, is a treatment for the symptoms of menopause, such as hot flashes and vaginal dryness that occur around the time a woman stops ...

The type of estradiol-based hormone therapy taken during and after menopause, such as patches or pills, may be associated with differences in memory performance, according to a study published on ...