On Monday, Sept. 22, President Donald Trump and Robert F. Kennedy Jr. suggested a link between Tylenol use in pregnancy and autism. ⚠️TYLENOL & AUTISM—RFK Jr and Trump are wrong—the largest & best study in the world in 2.5 MILLION KIDS—found no increased autism risk with acetaminophen (aka paracetamol, Tylenol) use by the mother during pregnancy. Tylenol wasn’t widely used until the 1950s.”Autism was discovered in 1911 and the modern definition of autism came in 1943. People quickly repurposed the announcement graphic of Trump and RFK Jr. with the words, “Autism Announcement,” splashed across a blue background as a reaction image. Advertisement19.the US if Tylenol actually caused autism pic.twitter.com/sFWhU9ziUR — petey (@peteypayless) September 23, 202520.to my friend, tylenol.