Just for consideration - recent brain development studies over the past decade have shown that forebrain [higher cognitive functions, including the ability to concentrate, reason, think in abstract form ( logic), and judgment] development (especially in males) normally continues to progress and mature throughout the teen years until somewhere in the 20-27 year range.
Time and a number of scientific journals have run articles on the developing teen brain and behavior.
http://www.nytimes.com/2009/12/01/sc...conv.html?_r=1
Areas involved in planning and decision-making, including the prefrontal cortex -- the cognitive or reasoning area of the brain important for controlling impulses and emotions -- appear not to have yet reached adult dimension during the early twenties.
http://www.sfn.org/index.aspx?pagena...olescent_brain
Richard
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“Sometimes the Bible in the hand of one man is worse than a whisky bottle in the hand of (another)… There are just some kind of men who – who’re so busy worrying about the next world they’ve never learned to live in this one, and you can look down the street and see the results.” - To Kill A Mockingbird (Atticus Finch)
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