Autism study downplays role of genetics; Non-Inherited Genetic Factors too

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Balance Tips Toward Environment as Heritability Ebbs in Autism?

Non-Inherited Genetic Factors Also in the Mix, Study Finds

http://www.sciencedaily.com/releases/2011/07/110704174608.htm

The largest and most rigorous twin study of its kind to date has found

that shared environment influences susceptibility to autism more than

previously thought....

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*Genetic Component of Autism Spectrum Disorders May Be Moderate, Study

of Twins Suggests; Environmental Component May Be Substantial

<http://www.sciencedaily.com/releases/2011/07/110704174616.htm>*

(July 4, 2011) --- After evaluating twin pairs in which at least one

child has autism or autism spectrum disorder (ASD), researchers suggest

that the shared environment may play a more substantial role in

development ...

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*Pregnancy and Birth Environment May Affect Development of Autism in

Twins, Study Finds

<http://www.sciencedaily.com/releases/2011/07/110704174734.htm>*

(July 4, 2011) --- Findings from the largest study of twins with autism

spectrum disorder (ASD) suggests that both genetic and shared

environmental factors significantly increase risk for ASD, estimated 38

percent risk

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Exposure to Anti-Depressants in Pregnancy May Increase Autism Risk,

Study Suggests

<http://www.sciencedaily.com/releases/2011/07/110704174606.htm>

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Autism study downplays role of genetics

<http://www.latimes.com/health/la-he-autism-20110705,0,2826969.story>