Autism, SHANK, and busy highways

Two autism studies in the news. I’ve summarized them at the Thinking Person’s Guide to AutismĀ here. Let’s just say that the headlines, stories, and news releases have hyped yet again. Indeed, the title of this post should’ve been: “Headlines hype, news releases overpromise again in autism research.”

The worst offender is easily, “Proximity to freeways increases autism risk, study finds.” Um, no. The study found that autism rates are higher among people living within 309 meters of freeways. That in no way means that living close to a freeway increases autism risk. It’s a common, basic overinterpretation of correlation and epidemiological conclusions, but it’s really starting to get old. You can read more about the fuzzy definition of “freeway” and “major road” here.

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