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Scientists are finding ways to keep aging brains youthful : NPR

Scientists are finding ways to keep aging brains youthful : NPR

The human brain tends to lose a step as we age. Now, scientists want to minimize that decline by studying people with exceptional brains. JUANA SUMMERS, HOST: Once we get past about age 40, even a healthy brain begins to lose a step or two. Reaction times get slower. It’s harder to remember everything on your shopping list. But scientists …

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