If you speak two or more languages, it’s not just handy for traveling, it actually makes you smarter.

In the March 18th edition of the New York Times, Yudhijit Battacharjee writes: "There is ample evidence that in a bilingual’s brain both language systems are active even when he is using only one language, thus creating situations in which one system obstructs the other. But this interference, researchers are finding out, isn’t so much a handicap as a blessing in disguise. It forces the brain to resolve internal conflict, giving the mind a workout that strengthens its cognitive muscles."
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