Does the human brain make new cells to replace old ones?

Although recent studies have shown that the brain can grow some new cells, you’d be wise to take good care of the ones you were born with.

You can’t generate enough of the right kind to even consider riding your bike without a helmet, young man.

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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