1. A word about nomenclature is in order. Many well-meaning publications, some quoted in this entry, refer to drugs as "substances." That term is too broad for purposes of discussing what people take to make them feel better, or at least different. This entry will refer to all preparations ingested by human beings to alter the state of the body-mind continuum as "drugs," including tobacco, alcohol, antibiotics, and heroin, among many others. The term "preparation" will refer to a specific form of a drug, as it usually takes some preparing to render naturally occurring material into a consumable drug. The entry will also refer to misuse of these drugs, not abuse, except when referring to NIDA.
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