Brain food: These 10 foods can up your IQ

ByStephanie Holmes, 01/20/2016

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Water

Why is that water is such an overlooked aliment? Our brains depend on H20 to stay alert and optimize our memory processes. When we're not getting enough (aka dehydrated), our brain cells tend to shrink, making it difficult to concentrate and process information. Start carrying water with you everywhere, to avoid this problem.