A little more than a century has gone since the discovery of insulin, and since then hormone's therapeutic abilities have grown and refined. Insulin is a critical treatment for type 1 diabetes and, in many cases, type 2 diabetes. According to the American Diabetes Association, 8.4 million Am
Insulin is a hormone that is required by humans and many other living things. Its most well-known function is to control sugar metabolism. Much less is known about how insulin-producing cells, and thus insulin secretion, are controlled.