Courtesy of Santiago Barraza Lopez
Gilbert Flores/Penske Media via Getty Images
Darya Komarova/Getty Images
SOPA Images/SOPA Images/LightRocket via Getty Images
Matt Kaeberlein
Courtesy of Ryan Smith
Courtesy of Cynthia Wall
RFK Jr. has stated leucovorin will help "large numbers of children who suffer from autism." Many experts are skeptical about that.