Origin of leptin
Examples from the Web for leptin
However, when leptin levels drop, hunger signals go through the roof, often resulting in overeating.
One of the primary benefits of cheat days is their effect on leptin levels in the body.
Leptin is a hormone secreted by fat cells that is key to maintaining energy balance in the body.
In general, the obese have no shortage of leptin (given that leptin is produced by fat cells, if anything they tend to have more).
The thinner you become, the lower your leptin levels droop, and the more food it takes to satisfy your appetite.