Millions of pregnant women rely on Tylenol for pain and fever relief—but shocking new research may force parents to reconsider. According to The Wall Street Journal, U.S. Health Secretary Robert F. Kennedy Jr. plans to announce this month that acetaminophen, the active ingredient in Tylenol, is linked to an increased risk of autism in children when taken during pregnancy.
The announcement comes amid growing concern over the skyrocketing rates of autism. CDC data shows that in 2022, roughly 1 in 31 eight-year-olds were diagnosed with autism—a dramatic rise from 1 in 36 in 2020, and just 1 in 1,000 in the 1990s. Kennedy’s report will also suggest that low folate levels may contribute to autism, while folic acid supplementation could help treat symptoms.
Acetaminophen is commonly prescribed and considered safe by organizations such as the American College of Obstetricians and Gynecologists. However, mounting studies, including recent research from Harvard Medical School, indicate prenatal exposure may interfere with fetal neurodevelopment, increasing the risk of disorders like autism and ADHD.
The implications are immediate. Following the WSJ report, Tylenol’s parent company, Kenvue, saw shares plunge nearly 11%. While Kenvue maintains that there is no confirmed causal link, critics argue the evidence is too significant to ignore. Brian Hooker, Chief Scientific Officer at Children’s Health Defense, emphasizes that neonatal and postnatal exposure may pose even greater risks than prenatal use.
Kennedy has been spearheading a massive $50 million global research effort to identify environmental causes of autism, promising actionable results by this month. “Once the environmental causes of autism are identified, we’ll be able to eliminate those exposures,” Kennedy said earlier this year.
As the report’s release approaches, parents and healthcare providers alike are left to confront a difficult question: is the convenience of an over-the-counter painkiller worth the potential lifelong consequences for the next generation?
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