Overview
- Patients diagnosed with cannabis use disorder had three times higher odds of developing oral cancer within five years than those without the disorder.
- Tobacco smokers with cannabis use disorder faced a more than sixfold increase in oral cancer risk compared to smokers without cannabis addiction.
- Researchers analyzed records from 45,129 patients, including 949 with a formal CUD diagnosis, adjusting for age, sex, body mass index and smoking status.
- The study highlights that combustion byproducts in cannabis smoke mirror known tobacco carcinogens that damage the mouth’s epithelial lining.
- Edibles and other non-combustible cannabis products did not show a measurable link to elevated oral cancer risk.