You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is True about Type I diabetes melitus is ? and explain in detail?
Type 1 DM results from T cell mediated auto-immune destruction of the insulin secreting beta cells in the pancreatic islets and insulin deficiency. This autoimmune process is thought to be triggered by an infectious or environmental stimulus in genetically susceptible individuals. It can develop at any age, develops most commonly before 20 years of age. Thus it is insulin dependant and insulin improves the symptoms. Reference : page 803 Davidson's Principles and practice of Medicine 22nd edition and page 2403 Harrison's Principles of Internal Medicine 19th edition