Large sibling-matched study finds no link between prenatal Tylenol use and autism or ADHD
By
Beth Mole
Summary
A large sibling-matched study involving over 124,000 children found no link between prenatal acetaminophen (Tylenol) exposure and autism or ADHD, contradicting previous claims including those made by Donald Trump. The sibling-controlled design helps account for genetic and shared environmental factors. This is the latest in a series of studies failing to find a causal connection.
Source
bskyLarge sibling-matched study finds no link between prenatal Tylenol use and autism or ADHDarstechnica.comKey quotes
· 3 pulledThe researchers then performed a sibling-matched analysis, comparing autism and ADHD cases among siblings, some of whom were exposed to acetaminophen in utero and some who weren't.
This study design helps account for unmeasured family factors that influence the likelihood of the conditions, particularly genetics and shared environmental conditions.
The autism analysis included over 124,000 sibling-matched children, and an analysis of attention-deficit/hyperactivity disorder (ADHD) included a cohort of over 97,000 sibling-matched children.
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