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Re:Switching to e-cigarettes could save 6.6M American smokers by dxtr on Tuesday October 03, 2017 @12:12PM (#15393472)
Has it really been proven that nicotine itself is dangerous?

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 :)

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