Vaping increases the risk of lung disease by a third: U.S. study

Using e-cigarettes significantly increases the risk of developing chronic lung conditions such as asthma or emphysema, U.S. researchers said on Monday.The study, published in the American Journal of Preventive Medicine, is among the first to show the potential long-term harms of using e-cigarettes, which are often promoted as a safer alternative to tobacco and a means of helping smokers quit.It found that e-cigarettes increased the risk of lung disease by a third compared with those who never sm