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  1. J

    Is it true that people with low IQ overestimate their intelligence, and people with

    high IQ underestimate it? I once heard that and I'd like to know if it's true.
  2. J

    Is it true that people with low IQ overestimate their intelligence, and people with

    high IQ underestimate it? I once heard that and I'd like to know if it's true.
  3. J

    Can mercury in fish affect your intelligence/IQ?

    Yesterday I read an article from the NY times that advised pregnant women to stop eating tuna because of its high levels of mercury, a neurotoxin that can affect brains. And now I'm worried as hell, because I've been eating tuna (about one or two cans a week) for my entire life. It was the only...
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