Vaping myths and the facts Better Health NHS How To Smoke A Vape Like A Pro Vaping is not for children and it's not risk free. The long term effects are not known and some vapes can contain dangerous materials that affect children's central nervous systems and brain development, Say no to vaping. 10 15 vape puffs are roughly equivalent to one cigarette. We want to encourage and support families to have open and engaging conversations with young people to How Long Can Nicotine Stay in Your System?