There's no magic bullet to boost IQ or make you smarter -- but certain substances, like caffeine, can energize and help you focus and concentrate. Found in coffee, chocolate, energy drinks, and some medications, caffeine gives you that unmistakable wake-up buzz -- though the effects are short term. And more is often less: Overdo it on caffeine and it can make you jittery and uncomfortable.
Friday, December 5, 2008
Caffeine Can Make You More Alert
There's no magic bullet to boost IQ or make you smarter -- but certain substances, like caffeine, can energize and help you focus and concentrate. Found in coffee, chocolate, energy drinks, and some medications, caffeine gives you that unmistakable wake-up buzz -- though the effects are short term. And more is often less: Overdo it on caffeine and it can make you jittery and uncomfortable.
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