What happened

Medical experts sharply criticized President Trump’s announcement last week linking the use of Tylenol during pregnancy to an increased risk of autism in children, saying the claim was not supported by science. Standing with Health Secretary Robert F. Kennedy Jr., who had promised to name the cause of “the autism epidemic” by September, Trump said pregnant women with pain or fever should “tough it out” and “fight like hell not to take” the pain reliever. The FDA said that while there was no proven causal link, it would add a caution label to acetaminophen and recommend minimizing prenatal use. It also bypassed normal procedure to approve the use of leucovorin—an immune-boosting drug taken by cancer patients—to treat autism in children; scientists said data on the drug as a

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