Very high levels of folate can double autism risk, and high levels of folate and B12 can increase the risk 17.6 times, Johns Hopkins University researchers said. The study has not been peer reviewed. The new researchers followed 1,391 children who were born at Boston University Medical Center in 1998 through 2013. About 100 …
Study Shows High Levels of Folate and Vitamin B12 During Pregnancy May Increase Autism Risk
