While popular belief may be that a switch to light/ultralight cigarettes is a safer option, this study demonstrates that there is no difference in clinical outcomes between regular and light/ultralight cigarette smokers, the studys authors wrote
Menthol Vapes Mimic the Flavour Without the Harm - E-cigarettes with menthol e-liquid offer a similar cooling sensation without the harmful chemicals found in burning tobacco
In its discussion of cigarette casing material, the patent listed caramel, licorice root, niacin, rutin, and glycerol as possible additives and noted that the following aromatics, flavoring agents, sweeteners, coloring agents, and humectants could be added or substituted in a vegetable material preparation that would naturally contain niacin and rutin: sage, honey, sucrose, vanillin, coumarin, vanilla bean, fruit flavors, molasses, propylene glycol, apple juice, apple cider, essential oils, anise, angelica, and prune juice
Disposable and Zippo lighters are allowed in your carry-on