Can Vaping Cause Lung Cancer? Here's What We Know The Lung Docs Vaping is a cancer risk although less so than smoking, researchers say Approximately 16,000 unique flavours have been identified for vapes, many of which appeal to potential users. Some flavours increase the toxicity of vape emissions and can generate compounds that are known to E cigarettes Cancer Council NSW A new overarching review, led by the UNSW, is the most definitive determination that those who vape are at increased risk of cancer compared to those who don't, according to lead researcher