(WHAS11) - Federal health officials say there are cancer causing ingredients in electronic cigarettes, despite what the manufacturer says.
The cigarettes have been available in Europe for a while, but are new to the U.S.
The FDA says testing of products from two leading electronic cigarette makers turned up several toxic chemicals, including a key ingredient in antifreeze.
The American Lung Association says there are still questions to be answered about the cigarettes, but the organization was glad to see the FDA took a stand.
One of the E-cigarette makers called Smoking Everywhere says their cigarettes are still tobacco products and aren't meant to provide treatment.
FDA regulators have halted 50 shipments of electronic cigarettes at ports but the FDA's enforcement attempts have been challenged in federal court by the manufacturers.