Tylenol, Pregnancy & Autism Spectrum Disorder AVA Law This is your body on Tylenol: We explain how it works 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 Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy 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 Acetaminophen Toxicity: How Genetic Susceptibility Combines with Environmental Factors