“Don’t take Tylenol if you’re pregnant, and don’t give Tylenol to your child,” Trump said in a White House briefing, emphatically repeating this warning more than a dozen times. “Fight like hell not to take it.”Trump blames Tylenol for autism. What have research studies actually found? “I think those of us in the research community would like to see stronger evidence.”Why not just avoid Tylenol altogether in pregnancy? Worried parents might wonder how they’re supposed to make decisions when the research community might debate autism and acetaminophen for years to come.