Evidence That Acetaminophen Triggers Autism in Susceptible Individuals Has Been Ignored and Mishandled for More than a Decade[v1] Preprints.org The headline Tylenol causes autism has sparked concern. But the science tells a more nuanced story. Some observational studies have found that when pregnant women used more acetaminophen, their Mark Hyman, Tylenol Autism Lawsuit [2026 Update] Tylenol Linked To ASD PDF] Evidence that Increased Acetaminophen use in Genetically Vulnerable Children Appears to be a Major Cause of the Epidemics of Autism, Attention Deficit with Hyperactivity, and Asthma Semantic Scholar