2 thoughts on “The human brain stops growing at the age of 18.

  • April 20, 2011 at 10:43 am
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    That’s no true. The frontal lobe isn’t even finished developing until you’re 23.

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  • April 22, 2011 at 12:25 pm
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    Frontal lobe crystalizes at 21. Thats why those who are addicts before that age have a harder time with it.

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