It is clear from the overall evidence that electronic cigarettes are not as risky as tobacco cigarettes in terms of acute effects on lung function. On this issue, Dr. Glantz's comment is simply wrong.

In an published last week in the Los Angeles Times, CDC director Dr. Thomas Frieden was quoted as stating:

"Smoking is no more hazardous than taking an exam in terms of its acute respiratory effects."

The Rest of the Story has that we lied to the American public by telling them that electronic cigarettes are every bit as harmful as smoking, and has ordered us to make this statement. Here is the truth:

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.

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