Autism Spectrum Disorder (ASD) diagnosis is indisputably on the rise. In the 1970s, approximately one in 1,500 children was diagnosed with autism. In 2000, the US CDC estimated that one in 150 children aged 8 had been diagnosed; our 2022 estimate was one in 31. What's causing this rise? What can we do?
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David P. Lichtenstein (2025) studied this question.
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