CSD1602: A Crossover Study to Evaluate the Exposure to "Tar" and Nicotine From Two King Size Menthol Cigarette Products

Inclusion Criteria: * Able to read, understand, and willing to sign an Informed Consent Form (ICF). * Generally healthy males and females, 21 years of age or older, at Screening-Enrollment Visit. * Self-reports smoking at least seven cigarettes per day and inhaling the smoke. * Usual brand of cigarette is one of the brand styles specified. * Smoked usual brand for ≥ 3 months. * Agrees to exclusively smoke the study cigarettes and not smoke or use any other tobacco or nicotine-containing products during the course of the study. * Able to read and comprehend English. * Able to safely perform the required study procedures, as determined by the Investigator. Exclusion Criteria: * Self-reported history of heart disease, kidney disease, asthma or any other lung disease, diabetes, liver disease, hypertension, or hypercholesterolemia. * At risk for heart disease, i.e., obesity (body mass index \[BMI\] ≥ 40 kg/m2), as determined by the Investigator. * Females ≥ 35 years of age currently using systemic, estrogen-containing contraception, or hormone replacement therapy. * Postponing a decision to quit smoking (defined as planning a quit attempt within 30 days of the Screening-Enrollment Visit) to participate in this study. * Use of any medication or substance that aids in smoking cessation, including but not limited to any nicotine replacement therapy (NRT) (e.g., nicotine gum, lozenge, patch), varenicline (Chantix®), bupropion (Wellbutrin®, Zyban®), or lobelia extract within 30 days prior to the Screening-Enrollment Visit. * Females who test positive for pregnancy, are pregnant or breastfeeding, or plan to become pregnant during the course of the study. * Determined by the Investigator to be inappropriate for the study.