Smokers who also use e-cigarettes may be half as likely to give up tobacco as smokers who never vape at all, a European study suggests. Daily e-cigarette use was associated with 48 percent lower odds of having quit regular cigarettes. Smokers in the study also used more cigarettes a day when they vaped than when they avoided e-cigarettes altogether, researchers report in the American Journal of Preventive Medicine. People smoked an average of about 14 cigarettes a day when they didn't vape, and around 16 cigarettes a day when they did. Researchers analyzed data from a 2014 survey of more than 13,000 current or former smokers in the European Union. About 2,500 participants said they had tried vaping at least once. Click here
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