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 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. Tylenol concerns around autism are overblown, says Dr. Ashish Jha 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 No Clear Autism Link With Prenatal Tylenol, Major Review Finds MedPage Today