E cigarettes are changing how nicotine is consumed and perceived. Patterns of use often differ from traditional smoking, with more frequent and prolonged exposure throughout the day. This raises questions about cumulative Vaping Prevention Banner: Vaping: A Bad Decision NIMCO, Inc. Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Armes Lact et crme pour la fabrication de e liquide