The Look of Vapes Has Changed. Here's Why the Shift Has Experts Worried. The New York Times A Single Session of Vaping Can Hurt Your Lungs Vaping addiction can soon take hold HSC Public Health Agency Vaping could harm your lungs, even within days or weeks of doing it. Don't let vaping harm your health. How do cigarettes and vaping affect your health? How long does nicotine stay in your system? Smoking vs. vaping