Re:Switching to e-cigarettes could save 6.6M American smokers
by XFrequentist on Tuesday October 03, 2017 @12:22PM
(#15393563)
Definitely not "proven" to be dangerous, in fact evidence is more compatible with (low dose) nicotine being quite safe.
Best summary I'm aware of (note the many caveats): https://www.gwern.net/Nicotine
I'm thinking of articles like https://www.scientificamerican.com/article/is-nicotine-all-b...
I'm obviously talking about moderate doses. I know concentrated nicotine is very toxic :)