(L/R) US Health and Human Services Secretary Robert F. Kennedy Jr., US media personality Joe Rogan, and W. Bryan Hubbard, CEO of Americans for Ibogaine, look on as US President Donald Trump shakes hands with retired Navy SEAL Marcus Luttrell and US Representative Morgan Luttrell, Republican from Texas, 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

US media personality Joe Rogan (center L) looks on as US President Donald Trump hands a pen to W. Bryan Hubbard, CEO of Americans for Ibogaine, during an executive order signing ceremony 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

(L/R) US media personality Joe Rogan and W. Bryan Hubbard, CEO of Americans for Ibogaine, look on as US President Donald Trump speaks after 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

(L/R) FDA Commissioner Marty Makary, Health and Human Services Secretary Robert F. Kennedy Jr., US media personality Joe Rogan, W. Bryan Hubbard, CEO of Americans for Ibogaine, and former Navy SEAL Marcus Lutrell look on as US President Donald Trump signs 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

FDA Commissioner Marty Makary speaks after US President Donald Trump signed 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

(L/R) US Secretary of Health and Human Services Robert F. Kennedy Jr. and US media personality Joe Rogan look on as US President Donald Trump speaks after 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 for certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

US media personality Joe Rogan hugs W. Bryan Hubbard, CEO of Americans for Ibogaine, after US President Donald Trump signed 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)

(L/R) US Health and Human Services Secretary Robert F. Kennedy Jr., US President Donald Trump, and US media personality Joe Rogan listen as W. Bryan Hubbard, CEO of Americans for Ibogaine, speaks before Trump signs 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 for certain psychedelic drugs.certain psychedelic drugs. (Photo by Jim WATSON / AFP via Getty Images)