Comparison of Nicotine Levels Between Cigarettes and Vapes Ecigator Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Heated Tobacco Products, Cigarettes, and E Cigarettes: What's the Difference PMI Science How Many Packs of Cigarettes Are in a Vape? Let's Break It Down Tastefog