US Secretary of Health and Human Services Robert F. Kennedy Jr. (2L) speaks before US President Donald Trump an executive order in the Oval Office of the White House in Washington, DC on April 18, 2026. Also pictured are FDA Commissioner Marty Makary (L) and US media personality Joe Rogan (2R). The executive order aims to further US federal medical research and clinical trials for certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)