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Crossword puzzles won't make your brain sharper, but here's what will

Duration: 03:27
Dr. Sanjay Gupta is reinvesting in his brain, not simply to stave off decline, but to make his next phase of life the best it can be. Here's why the advancements we've made in science can make this a goal everyone can tackle, too.
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Crossword puzzles won't make your brain sharper, but here's what will

Crossword puzzles won't make your brain sharper, but here's what will

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