KNTV NBC Nightly News March 30, 2012
good evening. i'm lester holt, in tonight for brian williams. the mere mention of the word strikes deep anxiety for parents everywhere. autism. a set of development disabilities that often send healthy outgoing children into a nearly impenetrable world of their own. and we learned that more and more american children are now considered to be autistic. the numbers are jaw dropping. according to the cdc, 1 in 88 children has been identified as having an autism spectrum disorder. among boys, 1 in 54. to put those numbers in perspective, just three years ago, 1 in 110 children were diagn...