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Researchers at New York University have found that banana peel contains no intoxicating chemicals, and that smoking it produces only a placebo effect.
Ted Kaptchuk is an author, researcher, and Professor of Medicine at Harvard Medical School, where he focuses on the placebo effect.
Woodsy Owl was parodied in the 2010 South Park episode "Insheeption", as well as mentioned incorrectly as the "drug owl" the 2011 Archer episode Placebo Effect.