LOS ANGELES (AP) - Researchers have found that children who live
near freeways at birth have twice the risk of autism, suggesting
that environmental factors may play a role in the disorder's
A study by researchers at the Saban Research Institute of
Children's Hospital Los Angeles found that babies who lived within
1,000 feet of a freeway, but not a major road, were at risk.
Lead researcher Helen Volk says that may be due to the type and
high level of pollutants on a freeway.
The study, published in the journal Environmental Health
Perspectives, looked at 304 children with autism and 259 normally
A 2006 study also found autistic children were 50 percent more
likely to have been born around contaminated air.