Patch Adams, known as "The Laugh Doctor", attends a press conference in Mexico City, capital of Mexico, on July 16, 2013. U.S. doctor and social activist Patch Adams, creator of a laugh-based medical therapy, inspired the "Let's Go Crazy" initiative, a movement based on doing good things for other people, is in Mexico City to give a lecture on his work on Tuesday. (Xinhua/Alejandro Ayala)
Patch Adams, known as "The Laugh Doctor", attends a press conference in Mexico City, capital of Mexico, on July 16, 2013. U.S. doctor and social activist Patch Adams, creator of a laugh-based medical therapy, inspired the "Let's Go Crazy" initiative, a movement based on doing good things for other people, is in Mexico City to give a lecture on his work on Tuesday. (Xinhua/Alejandro Ayala)
