Lights Are Dimming For America’s Brain Power, Study Says

Key Takeaways

There’s been a sharp rise in Americans reporting problems in brain powerMore Americans say they are having serious trouble concentrating, remembering or making decisionsRates nearly doubled among young adults, and people with less education and lower wages are most affected

THURSDAY, Sept. 25, 2025 (HealthDay News) — A growing number of Americans appear to be losing their brain power, particularly younger adults, a new study says.

The U.S. has experienced a sharp increase in adults experiencing serious problems with memory, concentration and decision-making, researchers reported Sept. 24 in the journal Neurology .

Rates nearly doubled among 18- to 39-year-olds, according to the study, and the biggest increases were found among people who had less education and earned lo