(The District of Columbia has the highest tax at $4.50 and Missouri has the lowest at 17 cents.)6-8 All other tobacco products are taxed at 6.6% of the wholesale cost price.6,7 Clean indoor air ordinances Smoking is prohibited in government workplaces, private workplaces (non-public workplaces with three or fewer employees exempt), schools, childcare facilities, retail stores and recreational/cultural facilities.6,7 Smoking is allowed in restaurants and bars that do not allow persons under 21 to enter at any time.6,7 There are no restrictions for casinos/gaming establishments.7 The use of e-cigarettes is prohibited in areas where children are allowed in child care centers, any room or area in a community center while the area is used for childrens activities, in group care homes, healthcare facilities, museums, schools, school grounds, residential treatment facilities for children and youth, youth development centers, and zoos.9 The use of e-cigarettes is prohibited at Tennessee Technological University and nearby Cookeville student housing.9 The use of e-cigarettes is prohibited in Sullivan County courts

The Centers for Disease Control and Prevention (CDC) has reported 1,604 cases of e-cigarette, or vaping, product use associated lung injury from 49 states (all except Alaska), the District of Columbia, and 1 U.S
For those interested in long-term patterns of nicotine use, hair testing can reveal nicotine exposure for several months, which is especially helpful in monitoring chronic users or assessing secondhand smoke exposure
Court challenges by the industry could set off a protracted legal battle, stalling the rule