HallucinogenAssociated Documents (1)Main AuthorPublished YearTitleDocument TypeNumber of HypothesesBlum, Richard H.1969A cross-cultural studyChapter33More CiteRelated DocumentsMore By AuthorAssociated Hypotheses (1)Main AuthorPublished YearHypothesisSupportedVariables Tested Blum, Richard H.1969"When cereals are produced other than root foods, then: [high or excessive use of alcohol occurs; hallucinogens are limited or scarce rather than plentiful; and high or excessive use of stimulants occurs rather than moderate or no use]" (164)Supported4More CiteRelated HypothesesMore By AuthorAssociated OCMsrecreational and non-therapeutic drugs