The term diabetes is derived from the Greek word for siphon and indicates that water goes through the person with the disease. There are three totally distinct medical conditions that use this name, and all have the symptoms of excessive thirst and the frequent passing of urine. It was not possible for doctors to differentiate between the three forms until the end of the eighteenth century, so the name has stuck with all of them because of their similar symptoms.

  • Diabetes insipidus is a rare disease caused by a disorder of the pituitary gland.
  • Type one (juvenile diabetes or insulin dependent) develops in children and young adults due to a lack of insulin production by the pancreas.
  • Type two (maturity onset type or non-insulin dependent) is the most common form and develops in middle aged and elderly people as the cells in their body develop resistance to insulin. It is this type that is more common in overweight people.

Diagram showing types of Diabetes:


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