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To: heartwood
if these random mutations are the only or primary cause of autism, it does not make sense that the incidence of autism has increased so much in the last twenty-five years.

All manner of things may effect fertility. There are different medications, diets, additives, lifestyles, pollutants, household products than 25 years ago. Some of the higher incidence may be a change in diagnoses.

If something was causing a greater number of mutations, we would be seeing an increase in all kinds of birth defects and cancers.

That doesn't necessarily follow.

15 posted on 06/09/2011 11:18:24 PM PDT by newzjunkey
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To: newzjunkey

Interesting that you mention fertility. What else is different in the past 25 years is the treatment of infertility. I’m sure someone has done the studies trying to correlate: maternal age, paternal age, fertility treatments used/not used with the incidence of autism.


22 posted on 06/10/2011 3:52:02 AM PDT by Explorer89 (And now, let the wild rumpus start!!)
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