Leptin is a hormone that comes from fat cells. It helps control food intake by sending signals about hunger to the hypothalamus in the brain. This process regulates appetite. Leptin regulates energy ...

Leptin is a hormone – a chemical messenger that helps different body parts work together. Leptin sends a signal to your brain that helps you feel full and less interested in food. You may hear it ...

Most obese patients grow resistant to satiety signals from the hormone leptin. A new study shows that leptin sensitivity can be restored in mice, leading to weight loss. Worldwide obesity rates have ...

DALLAS, July 2 – In a study of neighboring African tribes, a tribe eating a fish-rich diet had lower levels of the hormone leptin than a tribe eating a primarily vegetarian diet, researchers report in ...

Worldwide obesity rates have more than doubled since 1990, with nearly a billion people now falling into the category. Though a complex interplay of genes, diet, and environment contribute, 90% of ...