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Old 03-09-2009, 01:00 PM   #21
Patrick Yeung
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I know this is kind of old, but thought maybe this would interest people.

Lower I.Q. Scores Among Children of Older Fathers
http://www.nytimes.com/2009/03/10/he...tml?ref=health

Talked about how children with older fathers scored lower on all cognitive tests, and showed much higher risk of schizophrenia and autism than those of younger fathers.

Also showed children of older mothers had better scores.

Whats crazy though, was that it was a linear progression in the case of dads. I wonder why that is, and if it has anything to do with this (genetic degredation), or more the nurture side.
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Old 10-13-2009, 01:41 PM   #22
Craig Van De Walker
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I vote both nature and nurture. Nurture from the older mother vs a potentially less well equipped younger mother.

Nature in that the women who have children with older men may not on the average be as intelligent as the women who have children with same age men. I say this because a 60 year old women is not normally able to have children so a 60 year old man must be having children with a significantly younger woman.

Without adjusting for the mother and father's IQ I don't think this is a very valid observation.

I know this is anecdotal but the only women I know who had children late in life were well educated and appeared intelligent.
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