e Cigarettes Safety Not Yet Proven CANSA The Cancer Association of South Africa CANSA The Cancer Association of South Africa E cigarettes 'significantly less harmful' than smoking and can even help people quit, research reveals Wales Online To use or not to use electronic cigarettes? Reasons for use, stopping use and their behavioural sequelae among Mexicans who smoke Tobacco Control People who use e cigarettes smoke less and are more likely to quit smoking Health