Action Potential

For “Super Agers,” Bodies Age As Brains Stay Young

Early research on the sharpest octogenarians reveals unusually youthful brain regions This is a guest post in our #NPGsfn11 blog series and posted on behalf of Sandra Upson and is cross-posted at Scientific American’s Observations blog. A nasty affliction sets into humans as they advance in years. The hair either disappears or thins into a fuzzy halo, the skin sags and bunches, while inside the brain, changes set in that slow our reaction times and cause our memories to fade. A steady, widespread thinning out of the brain’s cortex, the outermost layer of the brain, is thought to underlie some 


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