Some 80-year-olds still have razor-sharp brains — and now scientists know why
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Melissa Rudy is senior health editor and a member of the lifestyle team at Fox News Digital. Story tips can be sent to melissa.rudy@fox.com.
Article source: https://www.foxnews.com/health/some-80-year-olds-still-have-razor-sharp-brains-now-scientists-know-why