Vape Carts Explained: What You Need To know How Long Do You Stay High After Hitting A Pen Is Vaping Marijuana Safer Than Smoking? Vaping Student Health & Well Being Vaping weed is popular, but there are many unknowns about its safety : NPR 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