All about vapes what's in them, how do they work, and more Philip Morris International Vaping May Be More Dangerous Than Cigarette Smoking, Studies Show University Hospitals E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department E Cigarettes, Vapes, and other Electronic Nicotine Delivery Systems (ENDS) FDA What Does Vaping Do to Your Lungs? Johns Hopkins Medicine