Autism, Tylenol and the Perils of Easy Answers
FDA requires new warning labels despite studies showing only a 0.09% difference in autism rates between exposed and unexposed children, emphasizing ongoing scientific uncertainty.
- The Food and Drug Administration announced new warning labels citing a `possible association` between prenatal acetaminophen use and autism, while half of all pregnant women take the drug.
- A landmark Swedish study of nearly 2.5 million children and a Japan study this year of more than 200,000 children found earlier links vanished when comparing siblings.
- One analysis found only a negligible difference in autism diagnoses—1.42 percent among those exposed in utero versus 1.42 percent among those not exposed, scientific studies show.
- Pregnant women may be frightened away from the only pain and fever medication doctors reliably recommend, risking untreated symptoms, while focusing on tenuous links diverts research from autistic people’s genetic causes and support.
- Political figures amplified fears, with Donald Trump and Health Secretary Robert F. Kennedy Jr. urging avoidance, while regulators warn against oversimplifying evidence and stress careful communication.
30 Articles
30 Articles

Autism, Tylenol and the perils of easy answers
Acetaminophen has helped countless pregnant women get through pain and stubborn fevers. Stripping it of trust without good reason risks replacing one set of problems with another.
Pod: “Worship of Tech, Fear of Tylenol”
Note: We recently responded to an opinion in the Chronicle of Higher Education by Robert Kaplan about profiteering publishers and free scientific information. Our letter was published yesterday — “What Open Access Advocates Get Wrong.” A question has been lingering for us, and today we finally address it — Why does tech avoid the kind of scrutiny we give everything else?In light of the recent suicide attributed to use of ChatGPT according to a l…
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