Do diabetes treatments prevent dementia?

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  • Medications for diabetes do not appear to delay the onset or slow the progress of cognitive decline and dementia.

Why this matters

  • Diabetes is a risk factor for dementia, suggesting its effective treatment may prevent the onset of dementia.
  • Both diabetes and dementia are associated with a high risk for disability, so their effective prevention and treatment are critical to patient quality of life and lower healthcare costs.
  • This suggests clinicians should still be on the lookout for signs of dementia in patients with diabetes.

Study design

  • This meta-analysis analyzed 844 records and identified 7 studies containing patients with type 2 diabetes.
  • Patients underwent neuropsychological tests and Mini Mental State Examination (MMSE).
  • Funding: National Institute for Health Research.

Key results

  • No difference obse...