Toward an existential theory of drug dependence.
D000818:Animals; D003213:Conditioning, Psychological; D003463:Cues; D004328:Drive; D004924:Escape Reaction; D005059:Euphoria; D005086:Existentialism; D006801:Humans; D008659:Metabolic Diseases / Q000150:complications; D010146:Pain; D010262:Paraphilic Disorders / Q000150:complications; D010554:Personality Disorders / Q000150:complications; D011582:Psychological Theory; D011678:Punishment; D012651:Self Medication; D019966:Substance-Related Disorders / Q000209:etiology*