Vaping has been marketed as a healthier alternative to smoking. But, do you actually know what is in your vape? Turns out vapes contain heavy metals, cancer causing agents, and so many more Vaping: What you need to know NIH MedlinePlus Magazine Do you know what's in a vape? What Is the Highest Percentage of Nicotine in a Vape? ZOFO HOW DOES A VAPE DEVICE WORK? How Do Vapes Work? What's In a Vape and How It All Works