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human genome

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Mind

Marijuana does not dent IQ permanently

Heavy users who have given up cannabis perform as well as those who never smoked the drug, researchers say

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Life

Rejection massively reduces IQ

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Mind

Editorial : Dumb and dumber - Does it really matter if IQ scores go up or down?

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Mind

IQ is inherited, suggests twin study

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Mind

Normal, but light, babies develop lower IQs

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Mind

Editorial : Don't panic, just pay - How much are a couple of IQ points worth to you?

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Mind

High lead levels may permanently lower IQ

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