When Were Vapes Invented? History of Vaping IQOS UK 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 The Vape Debate: This New Trend May Be Riskier Than You Think MedStar Health Most vapes contain toxic chemicals that are bad for your health. Some are added to make the vapes taste or smell nice, and others are created when the battery heats the liquid.