E-cigarettes are less harmful than smoking. Issue 10024 (19th March 2016) - Nutt, David J; Phillips, Lawrence D; Balfour, David; Curran, H Valerie; Dockrell, Martin; Foulds, Jonathan; Fagerstrom, Karl; Letlape, Kgosi; Polosa, Riccardo; Ramsey, John; Sweanor, David