"Serbia Plans Harsher Smoking Ban in Public"
Yoshida, K
Despite this decrease in the prevalence of consumption, the average number of cigarettes consumed per person per day increased from 22 in 1954 to 30 in 1978
By avoiding that harsh, direct heat, convection delivers a smoother, more flavorful vapor that really lets the profile of the concentrate shine

Cigarette Characterizing Flavor Ban in Tobacco Control Act Although the availability of menthol cigarettes has long been a subject of controversy, because of the history of menthol use in cigarettes, Congress avoided legislating a menthol ban with the 2009 enactment of the Family Smoking Prevention and Tobacco Control Act (TCA), which prohibited the sale of cigarettes with characterizing flavorsyet specifically exempted menthol and tobacco flavors from the ban.[2] More specifically, the TCA established a tobacco product standard special rule for cigarettes that prohibits a cigarette or any of its component parts (including the tobacco, filter, or paper) from containing, as a constituent (including a smoke constituent) or additive, an artificial or natural flavor (other than tobacco or menthol) or a herb or spice, including strawberry, grape, orange, clove, cinnamon, pineapple, vanilla, coconut, licorice, cocoa, chocolate, cherry, or coffee, that is a characterizing flavor of the tobacco product or tobacco smoke.[3] The purpose of the cigarette flavor ban, according to FDA, is to reduce the burden of illness and death caused by tobacco products by making them less attractive to adolescents and to remove an avenue that young people can use to begin regular tobacco use.[4] Instead of including menthol in the cigarette flavor ban, Congress directed the Tobacco Products Scientific Advisory Committee (TPSAC)[5] to review and report on the issue of the impact of menthol in cigarettes on the public health, including such use among children, African-Americans, Hispanics, and other racial and ethnic minorities, and gave FDA the authority to regulate the use of menthol in cigarettes through its rulemaking procedures

Here is the complete breakdown Regular cigarettes at 70 mm are the oldest format & are less common in contemporary markets where filtered cigarettes dominate