Johns Hopkins researchers find thousands of unknown chemicals in electronic cigarettes Hub Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America The number of dangerous chemicals in vapes is astounding. Take a look at the uses of some of the chemicals found in vapes: Benzene a volatile organic compound found in car Vaping: What Students Should Know Fairfax County Public Schools Vaping vs Smoking Cigarettes vs Vaporizer Bucks County PA Understanding the Hidden Health Risks of Vaping UL Research Institutes