| Potential reasons Categories | Potential reasons | Frequent words across detected topics in each category |
| Opioid | To relieve physical pain | Pain, hospital, nauseous, and surgery | To get high or use it with illicit drug | High, dope, and heroin | To help with sleep | Sleep | To help with emotions (stress) | Stress | Hooked and addiction | Hook and addiction | To relax | Relax, cool, recreational, and good | To use it with smoking | Smoking, blunt, and weed | To use it with alcohol | Drunk, liquor, wine, whiskey, and vodka |
| Stimulants | To help study | Finals, college, semester, study, school, exam, writing, help, test, homework, and essay | To stay awake | Awake, espresso, and caffeine | To use it with alcohol | Drank, wine, and whiskey | Hooked and addiction | Hook and addiction | To use it with smoking | Smoking and weed |
| Benzodiazepines | To get high or use it with illicit drug | High and cocaine | To help with sleep | Sleep, asleep, and slept | To help with emotions | Anxiety | Hooked and addiction | Addiction | To relax | Relax, cool, recreational, and happy | To use it with smoking | Smoking, marijuana, blunt, and weed | To use it with alcohol | Drank, vodka, tequila, liquor, wine, and whiskey |
| Polysubstance | To help study | Finals and study | To get high or use it with illicit drug | High, heroin, and cocaine | To help with emotions | Ecstasy and satisfaction | Hooked and addiction | Addiction and addict | To socialize | Birthday, couple, and friends | To use it with smoking | Cigarettes, blunt, and weed | To use it with alcohol | Drunk, wine, whiskey, and vodka | To help with sleep | Sleep |
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