Choose a "Disease/Disorder" from the Body Systems: Diabetes Mellitus 

Describe the physiological functions of the specified organ in the context of diabetes mellitus. 

What causes diabetes mellitus? How is it diagnosed (test run, blood work, etc)?  

What are the symptoms (how do they present themselves)?
What is the treatment and/or prognosis? How effective is the treatment usually?  

What medications are used?
Who does the disease/disorder affect? Adults, children, etc.
What procedure would a physician perform to eradicate this diseased organ?  

Why it's essential that we be informed?  Do you have any personal experience with the Disease or Disorder?