Not really anything like crack is it? It's laughing gas, something like poppers in the pantheon of drugs, or caffeine, or a small sweet sherry. And when was the last time you saw a hippy in a nightclub? Hippy crack, my arse.
Papers taking advantage of middle class paranoia??? You don't say! I read an article that said it had a similar effect to crack cocaine and heroin, who the hell writes those articles.