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

US President Donald Trump speaks before signing an executive order in the Oval Office of the White House in Washington, DC on April 18, 2026. The executive order aims to further US federal medical research and clinical trials into certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

US President Donald Trump speaks before signing an executive order in the Oval Office of the White House in Washington, DC on April 18, 2026. Pictured behind President Trump are Secretary of Health and Human Services Robert F. Kennedy Jr. (3L) and US media personality Joe Rogan (2R). The executive order aims to further US federal medical research and clinical trials into certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

President Donald Trump talks to the media on the South Lawn before departing on Marine One at the White House, Saturday, April 11, 2026, in Washington. (AP Photo/Jose Luis Magana)

TOPSHOT - US President Donald Trump walks on the South Lawn after arriving on Marine One at the White House in Washington, DC, April 17, 2026, following a trip to Nevada and Arizona. (Photo by SAUL LOEB / AFP via Getty Images)

IN FLIGHT - APRIL 17: U.S. President Donald Trump speaks to members of the press aboard Air Force One on April 17, 2026 just prior to landing at Joint Base Andrews, Maryland. Trump said the United States received favorable news related to Iran just prior to landing at Joint Base Andrews. (Photo by Win McNamee/Getty Images)

IN FLIGHT - APRIL 17: U.S. President Donald Trump speaks to members of the press aboard Air Force One on April 17, 2026 just prior to landing at Joint Base Andrews, Maryland. Trump said the United States received favorable news related to Iran just prior to landing at Joint Base Andrews. (Photo by Win McNamee/Getty Images)

JOINT BASE ANDREWS, MARYLAND - APRIL 17: U.S. President Donald Trump walks down the steps of Air Force One after landing on April 17, 2026 at Joint Base Andrews, Maryland. Trump said the United States received favorable news related to Iran just prior to landing at Joint Base Andrews. (Photo by Win McNamee/Getty Images)