News & Stories Health Intense mental exercise may be able to offset the effects of aging, research finds Jon Hamilton October 17, 2025 / 2:03 pm A new study shows that cognitive training can increase the levels of a key chemical messenger in the brain responsible for decision-making. 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
