Does Vaping Cause Lung Cancer? Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. Vapor Hiding Dangerous Ingredients: E Cigarette Concoctions Are Far from Safe American Lung Association gov.sg Vaping is more harmful than cigarettes. Don't be fooled. One vape pod has as much nicotine as 50 cigarettes, damaging your lungs, brain and Instagram