Rosemond: Vaping and peer pressure

[5150sick]

http://www.pantagraph.com/lifestyle...cle_a9a35aed-1d63-5820-ac11-c2253dce1bd0.html

 

[Rossum]

Hmm, half the response is about how nicotine isn't all that terrible, but.... How do they know that there's any nicotine being used?