do e cigarettes make it harder to stop smoking E-cigarettes are not recommended by most health authorities as a way quit smoking. They can harm your body, and there's not enough proof they actually help people quit. Know the facts The unique contribution of e-cigarettes

They are often marketed as offering a smooth yet bold smoking experience, combining contemporary esthetics with premium-quality tobacco

This book recounts how domestic and foreign policy representatives encouraged people to smoke at home and abroad, how tobacco farmers gave shape to fundamental New Deal notions of statecraft, how nonsmokers emerged as a powerful voice and remade ideas of citizenship and public space, and really, how you cant understand the American past without understanding the role of the cigarette in it

The other nicotine question has to do with whether e-cigs even deliver enough to satisfy smokers

A more detailed description of the statistical methods is provided in the Supplementary File 1: Methods