Is it bad to tell them that I smoke when I'm signing up for freshman housing? : r Purdue Vaping substantially less harmful than smoking, largest review of its kind finds King's College London Let's talk about vaping! Swipe to learn more about what vaping is, the differences between vaping and smoking, and some harm reduction tips and resources for those who vape. This The first long term study on e cigarettes confirms that vaping is bad for your lungs The Impact of E Cigarettes and Asthma: What You Need to Know