Why you should avoid REGULAR acetaminophen use for babies and pregnancy 3 Little Plums 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. The role of oxidative stress, inflammation and acetaminophen exposure from birth to early childhood in the induction of autism William Parker, Chi Dang Hornik, Staci Bilbo, Zoie E. Holzknecht, Lauren Gentry, 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