Packages of Tylenol and generic acetaminophen are seen in a pharmacy in Houston, Texas, on September 23, 2025. US President Donald Trump on September 22, 2025 urged pregnant people not to take Tylenol over an unproven link to autism, and urged major changes to the standard vaccines given to babies. The announcement comes as the White House has vowed to revolutionize health in the United States, as experts across medicine and science voice broad concern over the administration's initiatives that appear intent on unraveling decades of medical consensus. (Photo by RONALDO SCHEMIDT / AFP) (Photo by RONALDO SCHEMIDT/AFP via Getty Images)