50 cigarettes a day As few as 2 per linked to 50% increased risk of heart disease: Study 50-80 years old and have

E-cig never fully worked as a full substitue to regular cigarets

Andre Kengne, Non-Communicable Diseases Research Unit, South African Medical Research Council and University of Cape Town, Cape Town, South Africa, Department of Biological and Environmental Science, Faculty of Science, Walter Sisulu University, Mthatha, South Africa

Ease of use Tim David, owner of Airlucent, recommends additional features like multiple fan speeds to adjust the performance

and Venn (reference U03824)

Published online 2011 Nov 28

They do of course have a number of other flavours available if you want to get away from that familiar tobacco flavour