100-year-olds with signs of Alzheimer's in the brain are still sharp

Amyloid plaques and tau tangles tend to accumulate in the brain as we get older, but at the most advanced ages they don't correlate with cognitive symptoms

100-year-olds with signs of Alzheimer's in the brain are still sharp
Amyloid plaques and tau tangles tend to accumulate in the brain as we get older, but at the most advanced ages they don't correlate with cognitive symptoms