Can vaping damage your lungs? What we do (and don't) know Harvard Health Vaping e cigarettes shown to be more harmful to lungs than smoking cigarettes new study Express.co.uk E Cigarette effects on oral health: A molecular perspective ScienceDirect Smoking or vaping both harm your health., They damage your lungs, strain your heart, weaken immunity, and reduce overall well being., Choosing less harmful doesnt mean choosing safe., Your health