Addictive Potential of LCCs in Dual Users

Inclusion Criteria: * Current regular dual user of little cigars/cigarillos (LCCs) and cigarettes, defined as: (a) report smoking cigarettes on ≥ 8 of the past 30 days, and (b) report smoking unaltered LCCs (without marijuana) on ≥ 8 of the past 30 days. * Able to speak, read and understand English * Age 18-34 years of age * Stable residence (not planning to move during study period) * Not intending to quit smoking cigarettes or LCCs within the next 2 weeks * An expired carbon monoxide (CO) level of at least 4 ppm of expired air to verify smoking status Exclusion Criteria: * Pregnant for women (verified by urine pregnancy test at Visits 1 and 2) * Current use of (or plans to use in the next 2-3 weeks) nicotine replacement products or cessation products (e.g., bupropion) to minimize confounding effects of another product) * Positive breath alcohol screen (breath alcohol level (BAL) \> 0 g/ml; one re-test allowed; assessed at Visits 1, 2, and 3) * Illicit drug use other than marijuana (verified by positive drug toxicology test at Visits 1 and 3; one re-test allowed) * Met criteria for Cannabis Dependence assessed by the Cannabis Use Disorders Identification Test-Revised (CUDIT-R)