Dementia rates decreasing in the population, study finds

Positive brain health trend may cushion blow on society, but doesn’t lessen impact on individual patients and caregivers, U-M researchers say

In a hopeful sign for the health of the nation’s brains, the percentage of American seniors with dementia is dropping, a new study finds.

The downward trend has emerged despite something else the study shows: a rising tide of three factors that are thought to raise dementia risk by interfering with brain blood flow, namely diabetes, high blood pressure and obesity.

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