Walking to the subway on my way to work, I regularly pass a group of puffers loitering in an alley, their wafting cigarettes quietly rebuking the signs marked No Smoking. Once in a while, patrolling officers shoo them away, but the smokers always return
They also worry about creating the false impression that vapes are so dangerous that some need to be banned, while cigarettes remain for sale
(See sidebar, Health Risks of Traditional Smoking.) Nearly 70 percent of smokers report they want to quit, and a little more than 42 percent say they've tried to quit during the past year, which may be one reason that some smokers are using e-cigarettes to ease off their habits
If the frequency of use is high, and one-time use long, the battery life will be relatively short
17 more per 1000, 95% CI 7 to 30 more