Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development. Acetaminophen (Tylenol) Use in Pregnancy: Autism Concerns An Update on the Connection Between Acetaminophen and Autism: Expanding Evidence and Misinterpreted Sibling Control Studies[v6] Preprints.org There is no conclusive evidence that acetaminophen use during pregnancy causes autism in children. Read Acting NYC Health Commissioner Dr. Michelle Morse's statement They told us Tylenol is safe. Pediatricians recommend them daily. But what if we've been missing the full story? Research shows that frequent use of acetaminophen (Tylenol) in babies and children