E-cigarettes helped more smokers quit than nicotine replacement therapy - A randomised trial of e-cigarettes versus nicotine-replacement therapy

摘要

In 2016,15.5% of adults smoked tobacco. Although smoking is in decline, it remainsthe leading preventable cause of illness and premature death in the UK. Electronic cigarettes, used by around 6% of UK adults, are thought to be much less harmful than smokingtobacco. Controversy exists, however, overtheir effectiveness in attempts to quit, with different evidence reviews showing conflicting results.