| CBD | Cannabidiol |
| CB1 | Cannabinoid Receptor Type 1 |
| CI | Confidence Intervals |
| CPQ | Cannabis Problems Questionnaire |
| ICD-10 | International Classification of Diseases, 10th Revision |
| MMM | Marijuana Motives Measure |
| MOR | μ-opioid receptor (Mu-Opioid Receptor) |
| MSHQ | Marijuana Smoking History Questionnaire |
| ML | Marijuana Ladder |
| OMT | Opioid Maintenance Therapy |
| OUD | Opioid Use Disorder |
| SDS | Severity of Dependence Scale |
| SPSS | Statistical Package for the Social Sciences |
| TCH | Delta-9-Tetrahydrocannabinol |