1. To understand the history and development of insulin and its different types used in therapy for diabetes. 2. To explore the physiological mechanisms of insulin, including its synthesis, secretion, and action on the body. 3. To take an in-depth look at the clinical uses of insulin, including when and how it should be administered to ensure best patient outcomes. 4. To assess the potential side effects and risks of insulin therapy, including hypoglycemia and insulin resistance, and how to manage them effectively. 5. To examine recent research and advancements in insulin therapy and its potential future developments in diabetes management.