This report provides a detailed overview of diabetes, including its definition as a metabolic disorder characterized by high blood sugar levels. It explores the different types of diabetes, namely type 1 and type 2, detailing the causes and treatment approaches for each. The report outlines the steps involved in treating diabetes, such as blood sugar level monitoring, medication (including insulin for type 1 diabetes), meal planning, and exercise. It also discusses various diagnostic tests used to identify diabetes, including fasting plasma glucose tests, random plasma glucose tests, haemoglobin tests, C-peptide tests, and insulin autoantibodies, along with imaging tests. The report concludes by emphasizing the importance of proper medical treatment, physical exercise, and diet in managing diabetes and maintaining blood sugar levels effectively. It also references various books and journals.