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 ...