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3. Diabetes and Metabolic Health

Having diabetes or a high BMI, especially around age 60, can significantly increase dementia risk. Diabetes affects heart health and blood flow—both of which are associated with stroke and dementia. Frequent low blood sugar can damage the brain's memory centers.

Some research even suggests that insulin resistance may contribute directly to Alzheimer’s disease by encouraging the formation of amyloid plaques and tau tangles.

Managing blood sugar, diet, and weight in midlife may reduce long-term cognitive risks.

A photo of a red heart and measuring tape next to a yellow sticky note showing the BMI formula: weight (kg) divided by height (m) squared. The image highlights high BMI as a modifiable risk factor for dementia.

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.