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Introduction Quitting smoking reduces the risk for premature death and smoking-related diseases (1). Tobacco dependence is a chronic, relapsing condition driven by nicotine addiction, and quitting can be difficult (1). [...]

Commercial cigarette smoking among U.S. adults has declined during the preceding 5 decades (1,2); however, tobacco product use remains the leading cause of preventable disease and death in the United [...]

Although cigarette smoking has declined over the past several decades, a diverse landscape of combustible and noncombustible tobacco products has emerged in the United States (1-4). To assess recent national [...]