A scientific review has raised fresh concerns about the long term cancer risks of vaping, concluding that e cigarettes are probably carcinogenic, while also acknowledging significant gaps in the evidence. The analysis of reviews Cigarettes lectroniques & cancer du sein : quels risques ? E Cigarettes Promote Macrophage Tumor Cells Crosstalk: Focus on Breast Carcinoma Progression and Lung Metastasis Cancer screening adherence among e cigarette users in the United States Using nicotine based vapes is likely to cause lung and oral cancer, even if e cigarette users do not smoke tobacco, a watershed academic review has found. E cigarette smoke caused lung cancer in mice ecancer