Known Health Effects of E Cigarette Use Kansas Health Institute It's proven that vapes contain toxic chemicals, can cause lung damage and are addictive. It's important for young people in NSW to know that every vape is a hit to your Seeing through the Vapor, E Cigarettes Infographic Scientific review finds e cigarettes likely cause lung and oral cancer Los Angeles Times Vaping likely to cause lung and oral cancer, Australian researchers find in new review of evidence Vaping The Guardian