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 AND AUTISM: THE FACTS WholeHealth Chicago Tylenol During Pregnancy Lawsuit Researchers are studying a possible link between acetaminophen (Tylenol) use during pregnancy and higher autism or ADHD risk. It may lower glutathione, an important antioxidant for brain development. Frustrated, worried, disappointed': Georgia doctors deal with fallout of Tylenol and autism claims Georgia Public Broadcasting