Evidence That Acetaminophen Triggers Autism in Susceptible Individuals Has Been Ignored and Mishandled for More than a Decade[v1] Preprints.org 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 This afternoon, The Wall Street Journal reported that HHS Secretary Robert F. Kennedy, Jr. will announce later this month that Tylenol has been identified as a cause of autism, and that a HHS responds to report about autism and acetaminophen : Shots Health News : NPR