"Smart" Drugs Don't Work If You're Already Smart, Study Says

New research shows that alertness drug Modafinil can impair cognition in test takers.

Fighter pilots and emergency room workers often take the drug Modafinil to stay awake and alert, but can it really make you sharper? A new study shows that people who attempt to boost their cognitive abilities with Modafinil—a la Bradley Cooper's character in Limitless—could be doing more harm than good.

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