Monday, March 31, 2008

Autism: Unraveling the Mystery



Go to CNN original
ELLICOTT CITY, Maryland (CNN) -- It remains one of the greatest mysteries of medicine. Although autism will be diagnosed in more than 25,000 U.S. children this year, more than new pediatric cases of AIDS, diabetes and cancer combined, scientists and doctors still know very little about the neurological disorder.

Unlike childhood diabetes or pediatric leukemia, there is no blood test, no scan, no image that can detect autism. Diagnosis relies totally on behavioral observation and screening. And that's not easy.

According to the National Institute of Neurological Disorders and Stroke, three distinctive behaviors characterize autism: lack of social interaction, problems with verbal and nonverbal communication, and repetitive behaviors or narrow, obsessive interests. But children with autism display these symptoms in many different ways, some as mild as avoiding eye contact, while others are totally immersed in a world of their own.

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