LEAD
A Massive Study Reveals the Only Habit You Can Adopt That's Linked to Intelligence and Cognitive Ability
Fortunately, the key isn't who you are, or how you're wired. The key is what you do.
By JEFF HADEN, CONTRIBUTING EDITOR, INC.COM, @jeff_haden

LEAD By JEFF HADEN
A Massive Study Reveals the Only Habit You Can Adopt That's Linked to Intelligence and Cognitive Ability
Fortunately, the key isn't who you are, or how you're wired. The key is what you do.
By JEFF HADEN

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