Coffee
If you needed another excuse for that second coffee, this may be it. Research shows coffee improves memory and speeds up reaction times. If you're a lifelong coffee drinker you're also in luck because research has shown it can lead to a lower risk of Alzheimer's disease.
Photo by Getty Images Aug 3, 2012
Ten foods to make you smarter
There really is such a thing as brain food. Here's a roundup of the top ten foods that will give you an intelligence boost when you next need it.
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