Study: E Cigs Linked to Dangerous Lung Disease Salud America Carolina scientists show how vaping induces reactions in lungs that can lead to disease UNC Chapel Hill E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all Doctors have officially confirmed that vaping can lead to permanent lung disease. This is a serious health warning, especially as many teenagers have already been diagnosed with long term lung damage caused by