You've probably seen a magazine or TV ad for e-cigarettes -- the small, battery-operated devices that are "smoked" like regular cigarettes.
Although this new technology seems like a safer alternative to smoking tobacco, is it really just "harmless water vapor"?
Stanton A. Glantz, PhD, professor of medicine at University of California San Francisco, talks about why this product is illegal in Australia and Canada, and where the U.S. Food and Drug Administration stands on the issue.
Dr. Glantz, who has dedicated his academic career to studying secondhand smoke and tobacco control policies, shares his views on whether e-cigarettes call for warning labels, government regulation or an outright ban.
Bonus!
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