Is the 'autism epidemic' real? Researchers say over-diagnosis to blame for spike in number of cases - National Post

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Is the 'autism epidemic' real? Researchers say over-diagnosis to blame for spike in number of cases  National PostIn the 1960s, severe autism was thought to affect up to 10 children in 10000. By 2014, it was one child in 59. But diagnostic criteria are more loosely applied.