how are e cigarettes and tobacco cigarettes similar Is vaping a safe alternative to smoking? The 101 on e-Cigarettes Infographic
Description
Its hard to judge how much nicotine is in a vape, as nicotine content in e-liquids varies widely, from nicotine-free options to high concentrations exceeding that of traditional cigarettes

Inoue-Choi M, Hartge P, Park Y, Abnet CC, Freedman ND
Are the flavors any good

54 Congressional Record Senate, S9613, July 31, 1998 (congress.gov)
