There's always a lot of noise online claiming that giving your child Tylenol (acetaminophen) for fever is harmful, disrupts development, or somehow blocks natural healing. As a board certified pediatrician who actually cares Years ago, Dr. Sherri Tenpenny warned about the risks of Tylenol, particularly its impact on glutathione levels, the detoxifier in our bodies. Recent revelations by both President Trump and RFK Jr. have Early life acetaminophen exposure, glutathione S transferase genes, and development of adolescent asthma in a high risk birth cohort Journal of Allergy and Clinical Immunology Acetaminophen causes neurodevelopmental injury in susceptible babies and children: no valid rationale for controversy