“In view of the continuing widespread use drugs like marijuana, a due warning about the effects of such usage is imperative. Cannabis is a popular drug of self-abuse, though described by some retarded minds as a 'recreational drug.' The scientific approach is very different to the rhetoric of drug supporters. 'It is a popular myth that cannabis is harmless, and the media repeatedly promote this myth ignoring scientific evidence of its pathological effects.' [quote from D. Copestake]”