But Professor Grob and his scientific allies have fought long and hard for a reconsideration of the hallucinogens as serious medicines.

BBC: LSD was tested on cancer patients in the 1960s

Dr Griffiths and his colleagues argue that the mood-lifting effects of hallucinogens might be used to treat drug and alcohol addiction.

ECONOMIST: Psychedelic drugs

No, those folks are not on hallucinogens.

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