herbert a. gilbert smokeless non-tobacco cigarette 1963 patent Plans for the First E-cigarette Went Up in Smoke 50 Years Ago New school cool: Hon Lik,

We showed respondents six different mock-ups of cigarette packs in plain packaging, with two sizes of graphic health warnings (50 and 75%) and three plain packaging colors (black, white, and Pantone 448C)

Empty cigarette boxes

Determination of e-cig aerosol deposition with a microbalance To determine the average deposition of PG/VG e-cig aerosols in our in vitro exposure system, aerosol generated as above (50 puffs) was deposited onto a laser-cut 0.2 cm 2 filter paper, placed on top of a cell-free Transwell filter

So, nicotine extracted from a tobacco leaf and then purified to a pharma-grade, similar to what's in a nicotine replacement therapy

Smokers are stimulated to light up when they see the images, the warnings, the typeface the messages come in