Diabetes or Diabetes Mellitus or Diabetes Type 2 is a condition where the person has high blood glucose (blood sugar). It can be due to: a) Inadequate insulin production, or b) the body's cells do not respond properly to insulin, or c) both a and c. It was previously known as non-insulin dependent diabetes mellitus (NIDDM), or adult onset diabetes mellitus (AODM). Earlier it was said that mostly people over 30 years old are prone to get diabetes and the incidence increases with age. But the prevailing poor eating habits, obesity,lack of exercise have resulted in occurrence of diabetes in young adults too. This is an alarming sign! It is also called as 'Silent disease' since you may not know if your blood sugar level increase. There might be vague symptoms such as tiredness, dizziness, muscle pain etc.