Diabetes mellitus Is a group of metabolic diseases in which a person has high blood sugar(Glucose), either because the pancreas does not produce enough insulin, or because cells do not respond to the insulin that is produced wich it leads to high blood sugar.The Normal level is between (120-80 mg/100 ml), the human body gets the sugar from the nutrition that absorbed from ingested food and transferred via bloodstream to the body tissues to use it for the energy.Insulin is a peptide hormone, produced by beta cells of the pancreas, and is central to regulating carbohydrate and fat metabolism in the body. It causes cells in the liver, skeletal muscles, and fat tissue to absorb glucose from the blood. Diabetes types: Type 1 diabetes: Insulin dependent diabetes,which causes approximately 10% of diabetes mellitus cases. This type of diabetes occurs at an early age in children and young adults (Puberty), This type is characterized by an insulin secretion deficiency from the pancreas, and the results of this the patient needs to get the insulin injections every day with Balanced diet program. Type 2 diabetes: