2020 Update: Is Vaping More Dangerous Than Smoking? Young people who vape may be more likely to start smoking 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 The risks of vape pens' secondhand aerosols Children who vape 'more likely to smoke, have asthma and poor mental health' Daily Record