More Autism and Genetics

More Autism and Genetics

Some scientists are now saying that autism often appears to be caused by random mutations and deletions among numerous--up to one hundred--genes.

I realize that scientists have to be cautious, but it is hard for me to read:

"...if you expose cells to radiation, you can produce similar types of effects," Lieberman, who was not involved in the study, said in a telephone interview. "But these types of copy number variations do not (necessarily) implicate an environmental agent."

Grrrargh. What else besides an environmental agent could explain genetic mutations of that number and variety?

P.S. Thanks to Gwendomama for the original link.

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