We have the study.
We reported earlier this week on the claim that traffic may be associated with autism.
Click here for the study that prompted the Wall Street Journal article.
It attempts — and fails — to correlate living near freeways and major roads with autism.
The correlation with major roads is actually slightly negative and the freeway correlation is weak with a suspicious confidence interval.
No one knows what causes the spectrum of development disorders that are collectively called autism and this study sheds no light.
Junk science code words: “May cause”, “Some studies suggest”, “Scientists find a possible link”, “—–seem to be more prone to— when exposed to.”