Key points
There is no evidence that Tylenol causes autism, but there is an association between the two.
There is no evidence that vaccines cause autism.
Leucovorin (folinic acid) can improve autism symptoms in some children with Cerebral Folate Deficiency (CFD).
The U.S Department of Health and Human Services offered health guidance at a press conference last week urging pregnant women to avoid using the over-the-counter painkiller acetaminophen, commonly marketed in the U.S. as Tylenol, saying use of the medication is associated with a higher risk of having children with autism spectrum disorder, or ASD. The official statement , however, differs from what was said in the press conference; it states that clinicians should “exercise their best judgment” when pregnant women have f