Effects of Tobacco Cut and Nicotine Form on the Abuse Liability of Moist Snuff

Inclusion Criteria: * AIM 1 (Adults Tobacco User Adult Cohort \[TUAC\]): Exclusive adult smokers who smoked \>100 cigarettes or other combustible tobacco products in their lifetime and reported being current, every day, or some days/week smokers at time of enrollment * AIM 1 (TUAC): Exclusive SLT user reporting every day or some days use per week at time of enrollment * AIM 1 (TUAC): Or dual users who met criteria for both aims at time of enrollment who resided in participating Appalachian and urban counties * AIM 1 (Buckeye Teen Health Study \[BTHS\]): Male youth ages 12-15 in Appalachian and urban regions of Ohio with parental consent and participant assent given * AIM 2: As derived from Aim 1, commercially available SLT products used by TUAC and BTHS participants will be purchased from retailers in nearby Appalachian counties, as composition of SLT products can vary regionally * AIM 3: Adults aged 21 and older who reside in Appalachian counties and surrounding rural areas under the RUCA code 10 classification and use SLT daily for at least 3 months and using 1.5 cans/week will be considered for this project * Established moist snuff user (has used moist snuff daily for at least the past 3 months, uses at least 1.5 cans/week. * Age 21 years or older * Reside in Appalachian counties and surrounding rural areas under the RUCA code 10 classification * Willing to complete 5 study visits and provide informed consent study procedures, including abstaining from all tobacco, nicotine, and marijuana for 12 hours before clinic visits * Willing to abstain from nicotine and tobacco products 12-hours before study visit * Ability to read and speak English Exclusion Criteria: * Pregnant, planning to become pregnant, or breastfeeding (will be verified with a urine pregnancy test at the first session visit) * Unstable or significant psychiatric conditions (past and stable conditions will be allowed) * History of cardiac event or distress, including but not limited to uncontrolled high blood pressure, chest pain, and shortness of breath, within the past 3 months * Working with a cessation counselor, using cessation devices such as Chantix or Wellbutrin, or planning to quit within the next 3 months * Severe periodontal or oral lesions