Which parts of the body can be affected by diabetes?

Many parts: Since diabetes can damage blood vessels, almost any part of the body can be affected by diabetes. Common complications include the eyes (diabetic retinopathy, cataract, and increased risk for glaucoma), peripheral neuropathy, heart disease, kidneys, increased risk for stroke, problems with skin and mouth healing, poor blood flow to feet leading to damage, worsens osteoporosis, and hearing problems.