How does the disposable vape ban work, and how harmful is vaping? BBC News Vape Laws: How Old Do You Have To Be To Vape? STLTH STLTH VAPE The landmark Tobacco and Vapes Act is now law. Today's children will never legally be sold cigarettes. We're creating the UK's first smoke free generation and protecting children from the harms of smoking Vapers overtake smokers for first time in Great Britain