Sometimes when people vape for the first time they can feel quite unwell and, in some cases, they can actually be sick. This is due to the nicotine they're ingesting and is Secondhand Vape Exposure: Effects, Who's at Risk, and More Vape Detector vs. Smoke Detector: Comparison & How They Work Does Vape Set Off Smoke Alarms Can Vapes Trigger Smoke Alarms? Electronic Cigarettes American Nonsmokers' Rights Foundation no smoke .org