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 Vapes and e cigarettes often contain nicotine, heavy metals, and carcinogensand can harm developing brains, affect mood and learning, and lead to lasting lung damage. Just one hit can start an addiction. Scientists Warn: Vaping Likely Causes Cancer Genetic evidence that e cigarettes increase cancer (and other disease) risk among young adults Stanton Glantz blog Roundup: Nicotine Based E Cigarettes Linked to Risk of Lung, Oral Cancer; and More News Is Vaping Bad For You?