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The substance use treatment field relies heavily on the DSM as its guide to diagnosis of substance use disorders, yet many are unaware of the history of the DSM and how it has changed over time. This study utilized a diachronic corpus linguistics approach to study the substance use subsections of both the diagnostic manuals that served as the precursors to the DSM as well as the various editions of the DSM. The results show that while the overall size of the substance use sections has increased drastically, their word use frequency has not changed. This has implications for how substance use disorders are taught, how clinicians diagnose, and how future versions of the DSM might look. |
