Vaping Snohomish County Health Department, WA Vaping, Smoking and Lead Poisoning SciNews A major scientific review analyzing over 100 studies has found that nicotine vaping is likely to cause lung and oral cancers, raising serious public health concerns. Drawing Toxicological Aspects Associated with Consumption from Electronic Nicotine Delivery System (ENDS): Focus on Heavy Metals Exposure and Cancer Risk Vaping increases risk of DNA mutations which could lead to cancer, study suggests The Independent The Independent