Many professional athletes use cryotherapy to as a method of recovery from injuries and inflammation. But actor Jaden Smith gave it a shot with pal David Blaine, as the famed illusionist was preparing his body for the freezing temperatures he would endure with his “Ascension” balloon stunt. In a YouTube video, Jaden managed to power through a full three minute session with temperatures between negative 200–300°F, and totally blew David’s mind with his willpower and fortitude.