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 What the research says about autism and acetaminophen use during pregnancy Yale School of Public Health The role of oxidative stress, inflammation and acetaminophen exposure from birth to early childhood in the induction of autism William Parker, Chi Dang Hornik, Staci Bilbo, Zoie E. Holzknecht, Lauren Gentry, Debate Flares Over an Unproven Link Between Tylenol and Autism The New York Times