If you've followed the news very closely, or even just skimmed it in the past year, you've likely noticed that there are many outlets "researching" and reporting on the negative effects of the E-Cigarette (or lack there of?).
The fact is that there are many who harbor their own agenda whether it be pro or anti e-cigarette, but what both sides mostly agree on is that traditional tobacco products have caused a simply massive amount of death over it's years of ruling the market for those who seek nicotine. The studies have been done. The science is clear.