Two new studies offer fresh clues about how a gut hormone called ghrelin is linked to changes in the hippocampus (i.e., memory hub) that can improve or impair different memory functions. The first ...

Ghrelin is a hormone your stomach makes that signals your body when you're hungry. You might think of it as an "on switch" for appetite. Your small intestine, pancreas, and brain also release small ...

Rats that lacked the hormone ghrelin tended to eat more frequently and gained more weight. They also showed signs that they could not remember when they had last eaten. A hormone that influences when ...

Higher levels of the stomach-derived hormone ghrelin, which stimulates appetite, predict a greater preference for smaller immediate monetary rewards over larger delayed financial rewards, a new study ...

Higher levels of the stomach-derived hormone ghrelin, which stimulates appetite, predict a greater preference for smaller immediate monetary rewards over larger delayed financial rewards, a new study ...

The authors gave mice a traditional Japanese medicine called rikkunshito or an extract from rikkunshito to stimulate hormone production. In three different mouse lines—two with shortened lifespans and ...

The empty stomach releases the hormone called ghrelin. By receiving ghrelin, the hypothalamus in the brain senses hunger and produces 'hunger signaling' through the action of neuropeptide Y (NPY). The ...

Share on Pinterest Vigorous workouts could help suppress appetite, particularly in women. Image credit: Amanda Mustard/Getty Images. Ghrelin is a hormone in the body that regulates hunger and appetite ...