University of California - San Diego Jul 29 2025 A recent study by researchers at the University of California San Diego School of Medicine has found that individuals with cannabis use disorder (CUD) are more than three times more likely to develop oral cancer within five years compared to those without CUD. The study highlights the potential long-term health risks associated with problematic cannabis use. In 2022, 17.7 million people reported daily or near-daily cannabis use. Though CUD