Nini Munoz , PhD. Since the administration claimed Tylenol as a cause of autism, we've seen a number of alternative and 'integrative' practitioners talking Instagram Full article: A model for the induction of autism in the ecosystem of the human body: the anatomy of a modern pandemic? Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy The parent compounds of acetaminophen (US market in 1955 in the US as Tylenol and other products) were first discovered in 1886 (acetanilide) and 1887 (phenacetin). These were the earliest synthetic fever