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- Insulin is produced in the beta cells of the pancreas
- In type 1 diabetes mellitus, the body’s own defense system destroys the beta cells in the pancreas
- as a rule, 50 to 90% of the insulin-producing beta cells have been destroyed at the time of manifestation (time of diagnosis).
- no one is to blame for this process
- the cause of this process is unknown
- the other functions of the pancreas are preserved
- the lack of insulin leads to insulin deficiency signs such as thirst, frequent urination, weight loss and finally to the formation of ketone bodies
