Title: Should e-cigarettes be licensed as medicines?
Abstract: As the UK announces support for medicinal licensing of e-cigarettes, <b>Nicholas S Hopkinson</b> argues that this will give doctors another means to help smokers quit. But <b>Jørgen Vestbo</b>, <b>Andrew Bush</b>, and <b>Jonathan Grigg</b> say that its benefit is unproved and that harms are likely