Eleaf iStick Pico X Kit 75W TC Mod with MELO 4 Tank 22mm The dark side of disposable e cigarettes Tobacco and Public Health Cancer causing Chemical Formed in E cigarette Users School of Public Health University of Minnesota Disposable vapes, which make up the majority of e cigarette sales in the US, are a significant pollution concern as nearly half a million vapes are thrown away every day. It comes as