Detailed text transcripts for TV channel - KGO - 20120131:11:17:00
What is my brain great at? >> verbal ability should be at a high now. vocabulary is one of the things that keeps on improving. financial skills. financial assessment, management. that's at a high. >> reporter: dr. gary small agrees. he studies the aging brain. >> when we reach middle age, there's a sweet spot where our brain cells are actually firing more rapidly than they do when they're younger. >> reporter: here's one of the reasons why. if you take a closer look at the brain, the cells are constantly communicating. with the help of an insulation called milin. that milin thickens and peaks ...
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