Vaccines do not cause autism. Neither does acetaminophen (Tylenol) use in pregnancy. Decades of rigorous research and systematic reviews have shown no credible link. Continuing to promote these myths is not only Acetaminophen's Role in Autism and ADHD: A Mitochondrial Perspective New FDA Statement on Acetaminophen and Autism: What It Says and Why It Matters Blog Heninger Garrison Davis, LLC Tylenol, Autism, and Leucovorin: What Parents Need to Know. Tylenol, Leucovorin, Glutathione, & Autism The recent discussion about acetaminophen (Tylenol) and autism has raised understandable concerns, but decades of high quality research is clear acetaminophen use during pregnancy does not cause autism. While the causes of