Big tobacco's new cigarette is sleek, smokeless — but is it actually healthier?

Philip Morris says it has created a less toxic cigarette - an innovation it claims could save lives and eliminate smoking in America.The new technology, called IQOS, consists of a tube that gently heats up sticks of tobacco instead of burning them. By using heat instead of flame, the company says, IQOS eradicates 90 to 95 percent of toxic compounds in cigarette smoke.

The Food and Drug Administration is expected to decide in the next two months whether to allow IQOS into the U.S. market. And that has triggered heated debate and worries among health experts about whether IQOS will help or hurt public health in this country.

Among their most pressing concerns: whether the new device will lower tobacco-related deaths, or if it is just substituting one harmful product for another. Fueling such doubts is the fact that many of America's leading health organizations and experts remain deeply suspicious of Philip Morris. This is the company, they point out, that makes Marlboro - the world's best-selling cigarette - and misled the public for years about the hazards of smoking.

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