'It can make people try to get completely naked, or even try to kill each other': The tourists toying with insanity by taking powerful hallucinogenic cactus 'for fun' in Mexico

http://www.dailymail.co.uk/news/article-2883812/It-make-people-try-completely-naked-try-kill-tourists-toying-insanity-taking-powerful-hallucinogenic-cactus-fun-Mexico.html