Tobacco, E Cigarettes, and Vaping Oncology Nursing Society Research so far shows that legal e cigarettes are far less harmful than smoking, and can be an effective way of helping people who smoke to quit. However, there isn't enough research yet Evidence update on the cancer risk of vaping e cigarettes: A systematic review Introduction Recently, the use of e cigarettes has increased in Germany, including among youth, and threatens to compromise toba E cigarettes: 'cancer risk close to zero' Bhekisisa