Potential Effects of Electronic Nicotine Delivery System Flavor Regulations on African American Menthol Smokers

Participants are first instructed to smoke their usual brand of menthol cigarettes normally for the next 7 days and avoid using any other tobacco products. After this baseline week, participants are randomized to 1 of 3 ENDS flavor conditions, all contain 5% nicotine (Mentol+Tobacco, Tobacco, Unflavored) with equal probability and provided with a supply of their condition specific ENDS and asked to use it in place of their usual menthol cigarettes for the next 6 weeks.