A dental health study claims that mouthwashes containing alcohol can cause oral cancer, raising the risk by nine times.
The Melbourne, Australia study reports that the alcohol in mouthwash, called acetaldehyde, "increases the permeabiilty" of the mucus membrane to other carcinogens, such as nicotine.
Top-selling mouthwashes contain as much as 26 percent alcohol.
To see the news.scotsman.com article, click here.
Manufacturers for Listerine, which is an alcohol-based mouthwash, denied the claim.
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