Young people who vape are 3 times more likely to take up smoking cigarettes. Vaping can lead to lung damage and can be harmful for young brains, which are still developing until Teenagers who vape sweet flavoured e cigarettes more likely to stick with habit, study claims The Independent The Independent Want to quit smoking? Vaping is not the answer 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.