Medically reviewed by Isabel Casimiro, MD, PhD A hormonal imbalance occurs when the body has too much or too little of a ...

The human gastrointestinal system principally refers to the stomach and intestine, but can encompass the entire gastrointestinal tract, including all structures and organs from the mouth to the anus.

Heat stress can induce complex changes in the gut, including shifts in microbiota composition, increased oxygen levels and overproduction of stress hormones ... in the digestive tract to more ...

The pancreas is an integral part of the digestive system. It makes digestive enzymes and fluids ... The pancreas also makes insulin and glucagon, the hormones that control sugar levels in the blood.