Welcome to Liverpool, PA, USA. This is the web home of a small town in Perry County, Pennsylvania. We are blessed with a rich heritage based on our location along the Susquehanna River and the Pennsylvania Canal. Enjoy your visit to this website, learn about our history, view the photos of Old Liverpool.
Side Effects of Leptin. Leptin is an amino acid protein produced naturally by the body. Injections of Leptin are sometimes used by physicians in obese patients as a part of a weight loss program. Leptin helps control body weight by controlling the desire to eat, an increases in energy expenditure, and an increase in metabolic rate.
Medical Definition of Leptin. Leptin: A hormone produced mainly by adipocytes (fat cells) that is involved in the regulation of body fat. Leptin interacts with areas of the brain that control hunger and behavior and signals that the body has had enough to eat.