How Diabetes Can Affect Your Body

At a glance

Having high blood sugar from diabetes over time can cause serious health complications across different parts of your body. Keeping your blood sugar levels in your target range can help prevent or delay the conditions discussed below.

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How diabetes can affect your body

Having high blood sugar from diabetes over time can cause serious health complications.

  • Heart Damaging blood vessels and causing high blood pressure, a heart attack, or heart failure.
  • Eyes Damaging the small blood vessels at the back of the eyes, leading to vision loss.
  • Feet Reducing blood flow and damaging nerves, making a wound more likely to get infected and harder to heal, and increasing the risk of amputation.
  • Ears Affecting how nerve signals travel from the inner ear to the brain, causing hearing loss.
  • Nerves Causing numbness or pain that makes it hard to do daily activities.
  • Mouth Increasing harmful bacteria and causing cavities and gum disease.
  • Blood Vessels Damaging blood vessel walls and decreasing blood flow.
  • Stomach Damaging the nerves in the stomach and slowing or stopping digestion.
  • Brain Damaging blood vessels in the brain and causing a stroke or memory loss.
  • Sexual Health Damaging nerves and reducing blood supply, causing erectile dysfunction and vaginal dryness.
  • Skin Causing skin infections or changes such as dark patches on the skin.
  • Kidneys Reducing how well kidneys filter waste, leading to chronic kidney disease.

The good news?

Keeping your blood sugar levels in your target range can help prevent or delay all these conditions.