 Exclusion criteria include: history of chronic health problems or psychiatric conditions, breastfeeding, or pregnancy assessed by urinalysis. Individuals who report current attempts to quit smoking, previous experience with Crown Seven or NJOY. Individuals who report alcohol or marijuana use greater than 20 days within the last 30 days, or recent illicit drug use such as cocaine or heroin. Women reporting active menopause will be excluded menopause may cause tobacconicotine withdrawal-like symptoms, such as depression, Parry et al., 2001. 