Of note is that throughout the 1970s the American Cancer Society, the National Cancer Institute, and most major health organizations promoted the concept of a less hazardous cigarette in the belief that most people who smoke would not or could not stop
Flavor blend, stabilizers, and sweeteners might appear on a label, but without naming the specific ingredients or their purpose
While you may think that it's easier to hide evidence of vaping versus a cigarette, cabin stewards know to look for signs when they're servicing your stateroom
Besides nicotine, which is itself associated with health complications, many e-cigarette solutions or vape juices are known to contain diethylene glycol, ethylene glycol, ethanol, formaldehyde, acrolein and various amounts of heavy metals (nickel, tin, silver, aluminum, mercury and chromium) which can also be found in the inhaled vapors