Teenagers who vape sweet flavoured e cigarettes more likely to stick with habit, study claims The Independent The Independent Vaping: What Parents Need to Know Vaping isn't harmless it's a serious concern. Most vape products contain nicotine, a highly addictive substance that can impact developing brains and overall health. The Surgeon General's office says gay people vape more than straight people. Is vaping more harmful than smoking cigarettes? More people incorrectly think so: Newsroom UT Southwestern, Dallas, Texas We were shocked': Vaping considerably increases lung cancer risk among people who smoke Vape debate: Are e cigarettes wiping out teen smoking? AP News