affect heart,stomach,intestine,bladder,sex organs,blood vessels.

  1. Postural hypotension i.e feeling of dizziness with rapid stand up.
  2. silent heart attacks.
  3. sudden hypoglycemic coma due to absence of hypoglycemic manifestations(tremor,palpitations,hungery).
  4. Diabetic diarrhea.
  5. Erectile dysfunction.