An updated overview of e cigarette impact on human health Respiratory Research Springer Nature Link ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, Safe to vape? Clearing the air on e cigarettes Lincolnshire County Council Vaping likely to cause lung and oral cancer, Australian researchers find in new review of evidence Vaping The Guardian Vaping Side Effects: What Every Vaper Needs to Know E Cigarette Direct