Please browse the studies below that are actively recruiting! Quitting Studies Stress, Opioids, Nicotine Addiction, & Relapse (SONAR) Study for Women who Quit Smoking During Pregnancy Non-Quitting Studies Impact of Very Low Nicotine Content Cigarettes in a Complex Marketplace Tobacco Related Biomarkers Smokeless Tobacco Studies Tobacco Related Biomarkers Other Studies Tobacco Research Programs717 Delaware St SEMinneapolis, MN 55414Fax: 612-624-4610Email: [email protected]