Smoke and Mirrors: The Myth of Healthy Vaping University of Utah Health What chemicals are in a cigarette? What does smoking do to your body? Cancer Research UK Can Vaping Cause Lung Cancer? Here's What We Know. 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 Cigarette Smoke and Weak DNA Repair: A Double Hit Behind Lung Cancer Risk Oncotarget.org