Long term effects of chronic exposure to electronic cigarette aerosol on the cardiovascular and pulmonary system in mice: A comparative study to cigarette smoke ScienceDirect The Hidden Dangers: E Cigarettes, Heated Tobacco, and Their Impact on Oxidative Stress and AtherosclerosisA Systematic Review and Narrative Synthesis of the Evidence Vaping may raise cancer and heart disease risk, study suggests Medical research The Guardian E cigarettes: facts, stats and policy recommendations Lung disease linked to vaping now in 33 states, blamed for 5 deaths al.com Lung disease from vaping may hit Britain, says expert Vaping The Guardian