WASHINGTON: Daily use of e-cigarettes combined with traditional smoking can lead to a five-fold increase in the odds of heart attack, according to study which also found that vaping alone doubles the risk.<\/p>\n
The study, published in the American Journal of Preventive Medicine, examined the relationship between e-cigarette use and heart attacks, and begins to fill the understanding of the effects of e-cigarettes on long-term health.<\/p>\n
\u201cMost adults who use e-cigarettes continue to smoke cigarettes,\u201d said senior author Stanton Glantz, a professor at University of California – San Francisco in the US.<\/p>\n
\u201cWhile people may think they are reducing their health risks, we found that the heart attack risk of e-cigarettes adds to the risk of smoking cigarettes,\u201d Glantz said.<\/p>\n
\u201cUsing both products at the same time is worse than using either one separately. Someone who continues to smoke daily while using e-cigarettes daily increases the odds of a heart attack by a factor of five,\u201d he said.<\/p>\n
The research found that dual use of e-cigarettes and conventional cigarettes\u2014the most common use pattern among e-cigarette users\u2014appears to be more dangerous than using either product alone.<\/p>\n
The risks compound, so that daily use of both e-cigarettes and conventional cigarettes raises the heart attack risk five-fold when compared to people who don\u2019t use either product.<\/p>\n
Researchers report some good news if smokers quit.<\/p>\n
\u201cThe risk of heart attack starts to drop immediately after you stop smoking. Our results suggest the same is true when they stop using e-cigarettes,\u201d said Glantz.<\/p>\n
Electronic cigarettes typically deliver an aerosol of nicotine and other flavours by heating a liquid and are promoted as a safer alternative to conventional cigarettes, which generate the nicotine aerosol by burning tobacco.<\/p>\n
While e-cigarettes deliver lower levels of carcinogens than conventional cigarettes, they deliver both ultrafine particles\u2014which are 1\/50 to 1\/100 the size of a human hair\u2014and other toxins that have been linked to increased cardiovascular and non-cancer lung disease risks.<\/p>\n
The analysis involved 69,452 people who were asked whether they had ever used e-cigarettes and\/or cigarettes, and whether they had ever been told by a doctor or other health professional that they had had a heart attack.<\/p>\n
Among the 9,352 current and former e-cigarette users, 333 (3.6 per cent) had experienced a heart attack at some point, with the highest percentage (6.1 per cent) among those who used e-cigarettes daily.<\/p>\n
In the analysis, a quarter of the 2,259 people who currently used e-cigarettes were former smokers of conventional cigarettes and about 66 per cent of current e-cigarette users were also current cigarette smokers.<\/p>\n","protected":false},"excerpt":{"rendered":"
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