KEY POINTS

Cognitive disability has risen significantly among U.S. adults in the past decade.

Young adults with cognitive challenges have nearly doubled in that time.

Health factors and socioeconomic challenges may be among the reasons.

More American adults are struggling with “cognitive disability” than just a decade ago. Those folks are having trouble concentrating, remembering or making decisions — and the challenge is particularly bad among younger adults, ages 18 to 39.

Nearly 1 in 10 in that age group are challenged, while the share over age 70 with similar struggles has actually gone down a little bit, according to a new study led by researchers at the University of Utah that was published in Neurology , the medical journal of the American Academy of Neurology.

And before bl

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