Blood sugar level several interacting systems, of which hormone regulation is the most important. There are two types of mutually antagonistic metabolic hormones affecting blood glucose levels: These hormones are secreted from pancreatic islets which are bundles of endocrine tissues. There are four types of pancreatic islets, alpha (A) cells, beta (B) cells, Delta (D) cells and F cells. Glucagon is secreted from alpha cells, while insulin is secreted by beta cells. Together they regulate the blood-glucose levels through negative feedback, a process where the end product of one reaction stimulates the beginning of another reaction. In blood-glucose levels, insulin lowers the concentration
Blood sugar level case of a "fight and flight" response. Lastly, cortisol supplies the body with fuel in times of heavy stress. If blood sugar levels remain too high the body suppresses appetite over the short term. Long-term hyperglycemia causes many long-term health problems including heart disease, cancer, eye, kidney, and nerve damage. Blood sugar levels above 300 can cause fatal reactions. Ketones will be very high (a magnitude higher than when eating a very low carbohydrate diet) initiating ketoacidosis. Mayo clinic recommends emergency room treatment above 300 mg/dL blood glucose. The most common cause of hyperglycemia is diabetes. When diabetes is the