This document discusses diabetes mellitus and the nurse's role in managing it. It defines diabetes as a group of diseases involving problems with the hormone insulin that can occur when the pancreas produces little or no insulin or the body does not respond appropriately to insulin. It then discusses the types of diabetes (type 1, type 2, gestational), risk factors, signs and symptoms, tests, and complications. Finally, it outlines the necessary skills for nurses in diabetes management, including analytical skills, communication skills, attention to detail, and interpersonal skills to effectively provide care and make appropriate treatment adjustments.