The battery-powered devices are made up of cartridges containing nicotine, flavoring and chemicals. They turn nicotine, which is addictive, into a vapor that is inhaled. Users say they're "vaping," not smoking.
E-cigarettes are used by at least a half-million Americans, Matt Salmon, head of the Electronic Cigarette Association, Washington, told the [image-nocss] newspaper.
"People who smoke ought to have better alternatives, because some can't quit," he said. His father, a longtime smoker, died last month of cancer and emphysema.
Public health officials question the safety of e-cigarettes. The Food and Drug Administration, which regulates tobacco and nicotine replacement devices, said the e-cigarettes it tested had carcinogens. E-cigarette distributors have filed a lawsuit challenging the FDA's authority.
"It's a new frontier. We don't know what the dangers are," John Banzhaf of Action on Smoking and Health, an anti-smoking group, told the newspaper.
"We're actively investigating these companies and their products," said Connecticut Attorney General Richard Blumenthal. Other actions:
California passed a ban on e-cigarette sales, but Republican Gov. Arnold Schwarzenegger vetoed it in October.
Oregon Attorney General John Kroger, a Democrat, reached a settlement in August with retailers and distributors not to sell them.
New Hampshire state Rep. Rich DiPentima, a Democrat, is crafting a bill to ban sales to minors.
New Jersey state Assemblywoman Connie Wagner, a Democrat, plans a bill to subject e-cigarettes to the same restrictions as cigarettes.
In Paramus, N.J., the health department's board plans to propose an ordinance banning e-cigarettes where smoking is not allowed.
In August, Suffolk County, N.Y., restricted e-cigarettes in public places and banned sales to minors. To Julie Woessner, 46, a former smoker in Wildwood, Mo., they are "almost a miracle," she told the newspaper, allowing her to kick her two-pack-a-day cigarette habit.
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