Acetaminophen's Role in Autism and ADHD: A Mitochondrial Perspective The Evidence on Tylenol and Autism Johns Hopkins Bloomberg School of Public Health Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors Tylenol (acetaminophen) does not cause autism. The FDA, in its statement that there may be an association, confirmed that "a causal relationship has not been established, and studies of millions of children 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