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What is ‘Type 3 Diabetes’? Who’s Most at Risk

What is ‘Type 3 Diabetes’? Who’s Most at Risk

Summary

Research suggests a possible third type of diabetes, called Type 3 diabetes, which is linked to insulin problems in the brain and may be connected to Alzheimer's disease. People with diabetes or insulin resistance may have a higher risk of developing dementia, but having diabetes does not mean a person will definitely get dementia.

Key Facts

  • Type 1 diabetes occurs when the body cannot produce enough insulin due to an autoimmune response.
  • Type 2 diabetes happens when the body resists insulin and has trouble controlling blood sugar.
  • Type 3 diabetes refers to insulin resistance or impaired insulin signaling in the brain, possibly related to Alzheimer's disease.
  • Nerve cells in the brain may resist insulin, leading to the buildup of harmful proteins linked to Alzheimer's.
  • Adults with Type 2 diabetes show increased risk of dementia and cognitive decline in long-term studies.
  • People with prediabetes or insulin resistance also seem to have a higher risk of dementia.
  • Type 3c diabetes is a different condition caused by damage or inflammation of the pancreas; it is often misdiagnosed as Type 2.
  • Lifestyle steps like regular exercise, healthy diet, and controlling blood pressure and cholesterol can lower the risk of both diabetes and cognitive decline.
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