This article – the second in a six-part series on the gastrointestinal tract – describes the role of the stomach in chemical and mechanical digestion, regulation of hunger, eradication of pathogens ...

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 ...

Scientists are increasingly finding that the gastrointestinal (GI) tract plays a vital role in our overall health. While its main functions center around digestion, the GI tract is also involved in ...

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 function as the body’s chemical messengers, orchestrating nearly every physiological process from metabolism and mood to reproduction and sleep. When these powerful compounds fall out of ...