and there have been some health questions about the oils that serve as a medium for the nicotine and how healthy they are to inhale.
Yeah, by fear mongering satanic panic moms and by monied interests
Nicotine vapes are orders of magnitude more safe than cigarettes. All the research shows it, and the medical establishment is full of cowards with "vapes lead to cigarettes" bullshit.
The only harmful vape chemicals (on any scale close to cigarettes) are sketchy fake weed from China. 100% of the popcorn lung cases stem from that.