In the study, investigators examined measures of acute heart function using echocardiography among 36 smokers and 40 vapers, before and after using either a cigarette or e-cigarette. The researchers found that cigarette smoking adversely affected acute heart function. Electronic cigarette use had no effect on any of the measures examined.

The authors write:

(See: Dutra LM, Glantz SA. Electronic cigarettes and conventional cigarette use: a cross-sectional study. Published online March 6, 2014. JAMA Pediatr. doi:10.1001/jamapediatrics.2013.5488.)

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