mptoms of disease. The first part of the name, meaning a siphon or drain, seems quite appropriate. The urine of a person with diabetes contains sugar, which is the reason for the "mellitus" part, from the Latin word for honey. Most people just talk about "diabetes", but physicians prefer to use its more precise, full name, diabetes mellitus. In this way they avoid confusion with another much rarer disease called diabetes insipidus, in which great qualities of urine are also produced, but it does not contain sugar.
             Although it is still unclear exactly what causes diabetes, doctors and scientists believe that there are a number of possible causes:
             The body's immune system plays an important role in the development of diabetes. The immune system protects us from foreign substances that may enter our bodies, such as viruses and bacteria. For some reason that scientists have yet to understand, the immune system of people with diabetes seeks out the cells that produce insulin and destroys them. T
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