Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles. These hormones not only influence the body, but can cross into the brain and shape the behavior ...

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.

A growing understanding of how “reproductive” hormones sculpt the brain could transform the management of neurological conditions. Credit...Yuko Shimizu Supported by By Rachel E. Gross Estrogen is the ...

In sexual maturity, the sexes differentiate in the formation of a different body structure and sexual characteristics, but also in terms of behaviors and levels of meaning. This process happens under ...

(Santa Barbara, Calif.) — Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles. These hormones not only influence the body, but can cross into the ...