This report provides a comprehensive overview of diabetes, encompassing its classification into various types (Type 1, Type 2, Gestational, and others), exploring their respective causes, symptoms, and potential complications. It delves into the physiological mechanisms underlying diabetes, including the role of insulin and glucose metabolism. The report also examines the treatments available for diabetes management, including insulin therapy, lifestyle modifications, and technological advancements such as insulin pumps and continuous glucose monitoring (CGM) systems. Furthermore, it highlights the emerging role of mobile applications in diabetes care. The report emphasizes the importance of early diagnosis, patient education, and proactive management to mitigate the long-term health consequences associated with diabetes, such as cardiovascular disease, kidney failure, and vision loss. The report also discusses the impact of oxidative stress and stress in general, on diabetes and its related complications. The report also points out the importance of patient awareness and understanding of the disease and the need for affordable treatments, especially in low- and middle-income countries. The report concludes by emphasizing the potential of technology to improve the quality of life for individuals with diabetes and the importance of continued research and innovation in diabetes care.