E-cigarettes have evolved since their initial models that resembled cigarettes (ciga-like) 10
Oh, I think WAYNE, SYNC, RESEED, and LESSON are all homophones for decreasing words: wane, sink, recede, and lessen
As for second-hand smoke exposure, there are around 1.2 million people die every year
Menthol becomes the entire experience, drowning tobacco completely
This review, published in the American Journal of Preventive Medicine in 2014, looked at 76 of the best available studies on e-cigarettes: "Due to many methodological problems, severe conflicts of interest, the relatively few and often small studies, the inconsistencies and contradictions in results, and the lack of long-term follow-up no firm conclusions can be drawn on the safety of [e-cigarettes]." The researchers also found that in 26 of the studies reviewed, the authors had declared a conflict of interest