Unthinkable just a year or two before
Identifying social norms using coordination games: Why does dictator game sharing vary
In fact, this effect is easily noticeable by the smoker, since the end of the filter that is in contact with his mouth is much cleaner after the smoking process than in commercial filters (see Figure 2)
The study, conducted across eight European countries also indicated that menthol smokers were, compared to other groups, younger, more likely to be female, better educated, had higher household income, and smoked fewer cigarettes. MORE: Air pollution is bigger killer than cigarettes with 8,000,000 early deaths a year MORE: Smokers who switch to e-cigarettes twice as likely to have stroke, study warns Follow Metro across our social channels, on Facebook, Twitter and Instagram

For example, all three measures specified that FDA could not compel the industry to change the composition of its products in ways that would render them unacceptable for adult consumption. They also required the agency to show that any proposal to restrict the sale, distribution, advertising, and promotion of tobacco products was based on a determination that such regulation would be appropriate for the prevention of, or decrease in, the use of tobacco products by children.... Finally, all three measures reserved for Congressnot FDA the authority to eliminate nicotine or ban tobacco products