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 ...

Ghrelin, called the hunger hormone, tells your brain it's time to eat when your stomach is empty. Ghrelin can make it hard to lose weight because it may increase appetite and decrease metabolism when ...

Obesity is big. A public with a seemingly insatiable appetite for weight-loss products spends more than $35 billion (US) annually on diet products or programs in North America, according to the US ...

Working out hard may fast-track your weight loss goals — especially if you’re a woman. A small study from the University of Virginia found that vigorous exercise suppresses levels of the “hunger ...