Autism:
(July 6, 2011 - Insidermedicine)
From New York - Autism may be caused more by environmental factors than genetics, according to a report published in the Archives of General Psychiatry.Researchers studied nearly 200 pairs of twins, at least one of who had autism spectrum disorder. They estimated that environmental factors in early infancy such as birth weight and pregnancy complications increased risk of autism by 58%, while genetic heritability only increased risk by 38%.
From New York - Autism may be caused more by environmental factors than genetics, according to a report published in the Archives of General Psychiatry.Researchers studied nearly 200 pairs of twins, at least one of who had autism spectrum disorder. They estimated that environmental factors in early infancy such as birth weight and pregnancy complications increased risk of autism by 58%, while genetic heritability only increased risk by 38%.