No, not the equivalent. E-cigarettes do give off a vapor that is made up of any ingredients used in the liquid being vaporized. read more
No, not the equivalent. E-cigarettes do give off a vapor that is made up of any ingredients used in the liquid being vaporized. This typically consists of propylene glycol, vegetable glycerin, water, alcohol, nicotine, and food flavorings, or some combination thereof. "Second hand smoke" from a cigarette is something completely different. read more
Michael J. McFadden, Has read and written widely about secondary smoke and smoking bans. Answered Aug 20, 2014 ยท Author has 5.7k answers and 7.8m answer views In most normal situations for most ingredients of concern, the answer would probably be that you'd have to be in the room for between 1,000 and ten thousand hours. read more