E Cigarettes (Vapes) Smoking and Tobacco Use CDC Choosing the right amount of nicotine is critical to a successful switch to vaping! : r Innokin Flair E cig Refills Cartomizers (27 Mg Tobacco) VapeShire Teens who vape higher doses of nicotine are more likely to become regular smokers USC Today E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA PMI's smoke free products PMI Philip Morris International