News & Stories Health Cannabis use among teens tied to poor school performance Rhitu Chatterjee December 26, 2025 / 2:11 pm A new study of more than 160,000 teens finds that even occasional cannabis use among 8th, 10th and 12th graders is tied to worse outcomes at school and more emotional distress. Why you can trust KUOW Recommended Stories New UW study links cannabis users with psychotic disorders to higher rates of health problems January 28, 2026 Reporter’s notebook: Looking into child welfare policies in Washington state January 21, 2026 Ovarian cancer is a 'silent killer.' Seattle doctors have a new prevention strategy January 21, 2026
New UW study links cannabis users with psychotic disorders to higher rates of health problems January 28, 2026
