- A U.S. appeals court reinstated over 500 private lawsuits against Tylenol manufacturer Kenvue, alleging a link between prenatal Tylenol use and autism or ADHD in children.
- The court reversed a lower judge's dismissal, stating that expert testimony from three doctors, including Harvard's Andrea Baccarelli, was improperly excluded.
- U.S. District Judge Denise Cote had previously dismissed the cases in December 2024, questioning the methodology of the plaintiffs' expert witnesses.
- Expert Andrea Baccarelli's report indicated a possible association between prenatal acetaminophen exposure and neurodevelopmental disorders, though he emphasized the need for further research.
- Kenvue continues to assert Tylenol's safety, stating that independent science shows no proven link to autism or ADHD, and plans to challenge the reliability of the plaintiffs' experts in court.
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