E cigarettes better than tobacco but still not good for your heart if you don't smoke at all

WEDNESDAY, Sept. 20, 2017 (HealthDay News) -- The nicotine in e-cigarette vapor may cause adrenaline levels to spike in the heart, potentially increasing risk of heart attack and sudden cardiac death, a new study reports.

Electronic cigarettes have been promoted as a healthier alternative to tobacco cigarettes because they deliver vastly lower levels of carcinogens, researchers say.

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Based on the results, Middlekauff said, current tobacco cigarette smokers still would be better off switching to e-cigarettes. They would avoid the carcinogens produced by burning tobacco, even though they could face heart health effects from nicotine.

At the same time, there's now evidence that e-cigarettes could pose a health risk to people who have never smoked tobacco because of the nicotine they contain, Middlekauff added.

"If you don't smoke at all, I would strongly recommend against using electronic cigarettes, because they're not harmless," she said.

The study was published Sept. 20 in the Journal of the American Heart Association.

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