A recent study suggests that daily marijuana use may increase the risk of head and neck cancers by three- to five-fold. The analysis found that individuals with cannabis use disorder were more likely to develop oral, oropharyngeal, and laryngeal cancers compared to those without this diagnosis. While tobacco use remains a significant cause of head and neck cancers, the study highlights the potential risks associated with daily marijuana use.

Source: https://www.cnn.com/2024/08/08/health/marijuana-head-and-neck-cancer-wellness/index.html