Hormones are essential communicators of information and action within the bodies of both men & women with the ability to affect the way we function and feel.  These potent chemicals are released by cells or glands in one place to send messages that affect cells in other parts of the body. As vital chemical messengers, only very small amounts of a hormone are able to alter our metabolism and impact us in significant ways.  Individual hormones may also regulate the production and release of other hormones.
In essence, hormones control our internal environment , from endocrine glands such as the thyroid gland, ovaries and testes, hormones help modulate a complex biochemical dance that keeps us functioning normally: