Tim Grigsby (Environmental and Global Health) coauthored a paper titled, “Suicidal Ideation and Driving Under the Influence of Alcohol and Marijuana Among U.S. Adults: Findings from the 2021-2023 National Survey on Drug Use and Health,” in the journal Drug and Alcohol Dependence, along with researchers from California and Mississippi. The study explores the association between suicidal ideation and driving under the influence among U.S. adults.