Understanding the classic sugar ke lakshan (symptoms of high blood sugar) is crucial for early detection, with signs typically including increased thirst (polydipsia), frequent urination (polyuria), unexplained weight loss, and fatigue. The Difference Between Type 1 and Type 2 Diabetes lies primarily in their cause and onset. Type 1 Diabetes is an autoimmune condition where the body's immune system destroys the insulin-producing cells in the pancreas, leading to a complete lack of insulin; it often has a sudden onset in childhood.