Do E Cigarettes Cause Lung Cancer? Dr James Wilson Nobody starts smoking planning to get addicted to nicotine. But tobacco is still the leading cause of preventable cancer death in New Zealand, killing over 2,000 people every year. This Smokefree May, Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Don't be fooled by the smoke or the flavor. Vapes and cigarettes both contain toxic chemicals that can harm your body. #BeSafeDontVape #TobaccoFreeGeneration