E cigarettes cause lung cancer in mice, finds first study tying vaping to cancer Today's Fact Friday highlights an important truth. Both cigarettes and e cigarettes are harmful to your health. While some believe vaping is a safer alternative, studies show that one disposable vape can equal E Cigarettes Promote Macrophage Tumor Cells Crosstalk: Focus on Breast Carcinoma Progression and Lung Metastasis Understanding Vaping and Lung Cancer: Risks and Insights