Appetite Regulating Hormones Ghrelin
What Is Ghrelin? Simply stated, ghrelin is a hormone that stimulates appetite. Thus, anything that increases ghrelin levels will increase appetite, and this can lead to weight gain and obesity. Ghrelin is produced mainly by the stomach and duodenum. It has been found to play a role in what is known as meal-time hunger, as well as in the regulation of weight gain and loss over the long run. Ghrelin is sometimes thought of as leptin’s counterpart because leptin (another appetite-regulating hormone, produced by adipose tissue) suppresses appetite as its levels increase....