Follow an entire marijuana high from start to finish. Nat Geo takes viewers on a journey through our organs from the first inhalation of cannabis to the lung... read more
Cocaine: a powerful and a destructive drug glamorized by models, rock stars and celebrities. We zoom inside the human body from the moment the substance ente... read more
Ecstasy, commonly referred to as X, is one of the most popular illegal drugs in America, taken regularly by three-quarters of a million people See the amazin... read more
