Health Risks of E Cigarettes and Vaping American Lung Association Vaping might feel safer than smoking but whats really happening inside our lungs?, The EVALUATE study led by the @unibirmingham will be the first to track ex smokers over a whole year to uncover 5 Dangerous Myths About Vaping Atlantic Health Vaping: Safe? Or Are Your Lungs Going Up In Smoke? What Happens If You Hold Vape Smoke In Your Mouth Vaping and Oral Health If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs.