OSLO - In a country so wary of drug abuse that it limits the sale of aspirin, Pal-Orjan Johansen, a Norwegian researcher, is pushing what would seem a doomed cause: the rehabilitation of LSD.

It matters little to him that the psychedelic drug has been banned here and around the world for more than 40 years. Mr. Johansen pitches his effort not as a throwback to the hippie hedonism of the 1960s, but as a battle for human rights and good health.

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