The Centers for Disease Control has released a new report showing the rate of ASD (autism spectrum disorder) increased a stunning 30 percent between 2008 and 2010, from one in 88 to one in 66 children. In 2000, when screening began, the incidence was one in 150 children. Scientists do not yet know how to account for the increase and are undecided if it is due to more sophisticated screening, or some other environmental factor. They note a huge geographical disparity in that the rate in Alabama is one in 175 and the rate in New Jersey is one in 45. That also may be due to a difference in screenings.

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