Its a little bit more complicated than just saying, My e-cigarette turned black should we ban all e-cigarettes? For airlines, usually this comes down to a risk assessment and calculation, he said, including two questions: How often is that sort of thing going to cause problems? and What is its potential to ignite something around it? Continuing to gather information to see whether a clear case emerges, as has been done in the past, makes sense, he said
It also contributes to reproductive issues, weakens the immune system, and leads to other chronic health problems
Further Reading In a milestone, FDA proposes ban on menthol cigarettes and flavored cigars (Washington Post) Biden Administration to Advance Ban on Menthol Cigarettes (Wall Street Journal)
Diseases of the mouth and salivary glands
It rescues a feel-good chemical in your brain known as Dopamine