"Kennedy's confident assertions aside, the FDA has offered a more evenhanded assessment of prior evidence. On the day of the September press conference, the agency issued a notice to doctors acknowledging that 'a causal relationship has not been established' between prenatal acetaminophen use and neurological conditions. That's exactly right."
"The studies that have found an association tend to be small and unable to determine causality or rule out other potential causes. Two recent large studies-one conducted in Japan, the other in Sweden-examined siblings and found no association between acetaminophen and autism."
"The Swedish researchers, for example, found a weak association between acetaminophen and neurological disorders among all 2.4 million children in the study. But when the study was narrowed just to siblings, comparing, for instance, one who was exposed prenatally and one who was not, the association disappeared."
President Trump and Health Secretary Robert F. Kennedy Jr. have made strong claims against pregnant women using Tylenol, citing studies suggesting links to autism and ADHD. However, the scientific consensus does not support these assertions. While some studies found associations between prenatal acetaminophen use and neurodevelopmental disorders, others have not, including a recent systematic review of 43 studies. The FDA has stated that no causal relationship has been established. Large epidemiological studies from Japan and Sweden examining siblings found no association between acetaminophen and autism, suggesting that genetics and environment, rather than the drug, may explain earlier findings.
#acetaminophen-and-pregnancy #neurodevelopmental-disorders #scientific-evidence-and-causality #fda-assessment #epidemiological-studies
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