U.S. and Swedish researchers called evidence far from conclusive. Yet children in homes with vinyl floors were twice as likely to have autism. Vinyl can emit phthalates - which help to make plastic flexible and prevent nail polish from chipping - and are prominent in the lives of American consumers.
The researchers found four environmental factors associated with autism: vinyl flooring, the mother’s smoking, family economic problems and condensation on windows, which indicates poor ventilation.
To see the study: