Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy BU Autism Expert Says Research Hasn't Confirmed Tylenol Link The Brink Boston University 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, Pregnancy & Autism Spectrum Disorder AVA Law 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 The recent discussion about acetaminophen (Tylenol) and autism has raised understandable concerns, but decades of high quality research is clear acetaminophen use during pregnancy does not cause autism. While the causes of