are getting. some of the researchers we talked to said it was every ten puffs they are getting nicotine. most is vapor paid up of things like propylene glycol for example that needs to be investigated more. i m not sure it s a very effective smoking cessation device. in part the surprising reason it doesn t give that much nicotine, the brands we looked at. a trend to watch, financial trend and health trend. sanjay gupta. don t miss your appoint with dr. gupta every weekend, saturdays, 4:30 p.m. eastern and sundays, 7:30 in the morning. coming up, not everything you do on your cell phone is privat private. you should assume everything you are saying is being intercepted. that s what some hackers say. how to protect yourself next. t for bringing us together. find out why more than two million members