We’ve long known that many factors, from genetics to lifestyle choices, play a role in brain health over the course of a lifetime. And according to new research, blood type may be another, previously unconsidered factor in age-related cognitive decline.
A large-scale study conducted by researchers at the University of Vermont found those with the rare blood type AB — which is present in less than 10 percent of the population — to be at an unusually high risk for cognitive impairment.
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The findings were published in September in the journal Neurology.
