WASHINGTON, DC-- Federal health officials say they have found cancer-causing ingredients in electronic cigarettes, despite manufacturers' claims the products are safer than tobacco cigarettes.
The Food and Drug Administration says testing of two leading electronic cigarette brands turned up several toxic chemicals, including a key ingredient in antifreeze.
Electronic cigarettes produce a nicotine mist absorbed directly into the lungs. No burning is involved.
The agency has previously attempted to halt U.S. imports of electronic cigarettes, but has been challenged by manufacturers. The products are made primarily in China.
Manufacturers have touted the products as a healthier alternative to smoking because they don't contain cancer-causing ingredients.
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