MS Polls: 67% of respondents believe that vaping is worse than smoking, some still unsure Ireland fifth out of 85 countries for percentage of people who vape, WHO survey finds Adolescence is a critical window for brain development. Nicotine exposure during this time increases the risk of addiction. Many young people who vape have never smoked. But those who vape are more Children who vape 'more likely to smoke, have asthma and poor mental health' Daily Record Vaping now more common than smoking among young people and the risks go beyond lung and brain damage