What is CJC 1295 Ipamorelin? INTRA V 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 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