Smoking affects more than one organ. It can silently increase the risk of multiple cancers and long term health complications, often before symptoms even begin to appear. Tobacco use is directly linked to E Cigarettes and Associated Health Risks: An Update on Cancer Potential Why We Need Tailored Tobacco Control Strategies American Institute for Cancer Research % Vaping can cause cancer, say researchers but still isn't as damaging as smoking cigarettes. More than 5.5 million Britons currently use e cigarettes, which have long been viewed as a safer alternative Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk