Science Quickly Tylenol and Autism, a Shark Threesome and a Typhoon
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Sep 29, 2025 This week dives into the FDA's revised safety label for Tylenol amidst political controversy and the dubious link to autism. It highlights reassuring findings on COVID vaccination safety during pregnancy. Also featured are groundbreaking gene therapy trials for Huntington's disease and astonishing animal behaviors, including rare shark mating and jay hybrids driven by climate change. Finally, the strongest typhoon of the year wreaks havoc in the Pacific, reshaping the storm season.
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Weak And Inconsistent Tylenol-Autism Links
- Studies linking prenatal acetaminophen to autism show small and inconsistent risk increases.
- Sibling-control analyses suggest genetic or other confounding factors likely explain associations.
Don't Stop Tylenol Without Medical Advice
- Avoid abandoning acetaminophen during pregnancy based on inconclusive claims.
- Clinicians warn that untreated fever in pregnancy can be dangerous, so weigh risks and benefits with a doctor.
COVID Vaccination Shows Pregnancy Benefits
- A meta-analysis of 200+ studies found COVID vaccination during pregnancy safe and beneficial.
- Vaccinated pregnant people had lower COVID, stillbirth, congenital anomaly, and preterm birth risks.