Acetaminophen, also known as Tylenol, is used to help with pain & to reduce fever. However, taking too much acetaminophen can be harmful to the liver which filters out toxins & Sex differences in glutathione metabolism and acetaminophen toxicity 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