Ann Bauer, a researcher who studies Tylenol and autism, felt queasy with anxiety in the weeks leading up to the White House’s much-anticipated autism announcement. In August, Bauer and her colleagues published an analysis of 46 previous studies on Tylenol, autism, and attention-deficit/hyperactivity disorder. Further, research has not deeply examined Tylenol risks in young children, and many rigorous studies refute a link between vaccines and autism. Helen Tager-Flusberg, director of the Center for Autism Research Excellence at Boston University, called Trump’s comments dangerous. (Amy Maxmen/KFF Health News)‘Political Crusade’Despite Kennedy’s many years of speaking about autism, he rarely cites credible autism research or expert recommendations, Tager-Flusberg said.