New study: vaping may be worse for heart health than cigarettes

E-cigarettes may be more harmful to a smoker’s heart than traditional tobacco cigarettes. That’s the finding of new research from Cedars-Sinai Medical Center in Los Angeles, presented on Nov. 11 at an American Heart Association scientific conference.

The Cedars-Sinai team compared the hearts of 10 non-smokers to the hearts of 10 tobacco smokers and 10 e-cigarette smokers. All the people in the study were younger than 40, and all were otherwise healthy. In response to a mild bout of exercise, measures of blood flow increased in the hearts of the non-smokers. Among the tobacco smokers, this increase was blunted. But among the e-cigarette smokers, there was no increase at all.

“This suggests e-cigarettes cause an abnormality that impedes blood flow regulation in the heart,” says Dr. Florian Rader, co-author of the study and a heart specialist at Cedars-Sinai’s Smidt Heart Institute.


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