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 are natural substances produced in the body. They help to relay messages between cells and organs and affect many bodily functions. Everyone has what are considered “male” and “female” sex ...

Hormone replacement therapy, or hormone therapy, can help ease the symptoms of menopause, including hot flashes, vaginal dryness, and mood swings. It can also lower the risk of brittle bones and heart ...