Can vaping damage your lungs? What we do (and don't) know Harvard Health Learn why vaping and smoking could dramatically increase lung cancer risk. Can Vaping Cause Lung Cancer? Here's What We Know. Understanding Vaping and Lung Cancer: Risks and Insights Vaping isn't a safe escape, it's a trap. This Lung Cancer Awareness Month, remember that toxic chemicals and nicotine cause long term damage. Quitting starts healing your lungs in weeks. Take the first Vaping and Lung Damage: What Pulmonologists Want You to Know