Core Viewpoint - The U.S. Food and Drug Administration has approved leucovorin, a form of folic acid, which is being suggested as a treatment for autism symptoms by U.S. President Donald Trump [1] Group 1 - The approval of leucovorin marks a significant development in the treatment options available for autism symptoms [1] - The suggestion of leucovorin as a treatment by a high-profile figure like the President may influence public perception and acceptance of this therapy [1]