One Diet May Fight Alzheimer's Decline, But Only in Some People
Summary
Researchers found that a blood test could help predict who benefits most from the MIND diet, a brain-healthy eating plan designed to slow cognitive decline linked to Alzheimer’s disease. In a study of adults aged 65 to 84, those with higher levels of certain Alzheimer's-related proteins in their blood showed greater cognitive improvements when following the MIND diet compared to a control diet.Key Facts
- The MIND diet combines parts of the Mediterranean and DASH diets to support brain health.
- Researchers studied 602 adults, ages 65 to 84, without cognitive impairment over three years.
- Two blood biomarkers linked to Alzheimer’s, amyloid-β40 and phosphorylated tau 181, were measured.
- Higher levels of these biomarkers predicted greater cognitive benefit from the MIND diet.
- The amyloid-β42/40 ratio did not show the same effect.
- The study suggests the MIND diet may help people with early biological signs of Alzheimer’s.
- Blood tests could help personalize diet plans to prevent or slow Alzheimer’s before symptoms appear.
- The analysis was done after the original trial and shows associations, not proof of cause and effect.
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