Der gleichzeitige Konsum von E Zigaretten und herkmmlichen Zigaretten erhht das Lungenkrebsrisiko um das Vierfache. Vietnam Airlines cigarette and electronic cigarette Vietnam Moves to Ban Vape & HTP Investment Tobacco Asia Although Vietnam's ban on e cigarettes and heated tobacco products has taken effect since January 1, these products continue to circulate quietly, especially among young people, entailing serious and often hidden risks to