Photo: macbeck via Flickr
SAN DIEGO – Not long ago, autism was among the rarest of disorders, afflicting only one child in every 2,000-5,000.This changed dramatically with the publication in 1994 of DSM IV (the manual of psychiatric diagnosis widely used around the world). Soon, rates exploded to about 1 per 100.
And a large study in South Korea recently reported a further jump to 1 in 38 – an astounding 3% of the general population was labelled autistic. What is causing this epidemic and where are we headed?
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