This report provides a detailed overview of diabetes, a common global disease, encompassing its definition, statistics, causes, and prevention strategies. It begins by defining diabetes mellitus and differentiates between type 1 and type 2 diabetes, along with pre-diabetes and gestational diabetes. The report presents statistics from the American Diabetes Association, highlighting the prevalence of diabetes in the U.S., mortality rates, and the impact of pre-diabetes. It explores the causes of both type 1 and type 2 diabetes, including genetic susceptibility, environmental factors, lifestyle choices, and insulin resistance. The report emphasizes the importance of controlling glucose levels and outlines prevention measures, focusing on healthy eating habits, weight management, choosing healthy fats, avoiding red/processed meat, and the importance of quitting smoking and reducing alcohol consumption. The information is intended to help individuals avoid diabetes, support those with the disease, and aid research students in understanding the topic.