Context Rapid developments in e-cigarettes, or electronic nicotine delivery systems (ENDS),
and the evolution of the overall tobacco product marketplace warrant frequent evaluation of …

Electronic cigarettes (ECIGs) use electricity to power a heating element that aerosolizes a
liquid containing solvents, flavorants, and the dependence‐producing drug nicotine for user …

Objectives To estimate how far changes in the prevalence of electronic cigarette (e-
cigarette) use in England have been associated with changes in quit success, quit attempts …

Background Electronic cigarette (e-cigarette) use in the USA is increasing. As such, it is
critical to understand who uses e-cigarettes, how e-cigarettes are used and what types of …

The use of vaporized nicotine products (VNPs), especially e‐cigarettes and, to a lesser
extent, pressurized aerosol nicotine products and heat‐not‐burn tobacco products, are …

Objective E-cigarette use has rapidly increased. Recent studies define prevalence using a
variety of measures; competing definitions challenge cross-study comparison. We sought to …

The use of electronic nicotine delivery systems (ENDS), also known as electronic-cigarettes
(e-cigs), has raised serious public health concerns, especially in light of the 2019 outbreak …

Aims To propose a hierarchy of methodological criteria to consider when determining
whether a study provides sufficient information to answer the question of whether e …

Chronic tobacco smoking is a major cause of preventable morbidity and mortality worldwide.
In the lung, tobacco smoking increases the risk of lung cancer, and also causes chronic …

There is a lack of nationally representative data on regular e-cigarette use, as well as on the
transition from experimentation to regular use. This study examines changes in these in …