5 Vaping Facts You Need to Know Johns Hopkins Medicine Vaping is banned in our schools. Did you know: Most vapes contain high levels of nicotine (often without the person knowing). The nicotine in one e cigarette can equal to 50 cigarettes 5 Vaping Facts You Need to Know Johns Hopkins Medicine Vaping Student Health & Well Being Teen Vaping: What Parents Can Do Children's Hospital Colorado E Cigarette Use Among Youth Smoking and Tobacco Use CDC