Stuff You Should Know recently put out a podcast vaping [1] that provided some insight on the subject. The conclusion was that better than cigarettes slightly worse than doing nothing.
Hopefully regulations that spell out the dangers of nicotine addiction (which are non zero) and which protect children to the maximum extent possible. Take a leaf from Canada’s new Cannabis Act, which is incredibly harsh on those who sell and distribute to minors.
* [1] - https://www.stuffyoushouldknow.com/podcasts/is-vaping-really...