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Heat-not-burn Cigarette Alternative Faces US Scrutiny

A device that heats tobacco without burning it reduces some of the harmful chemicals in traditional cigarettes, but government scientists say it's unclear if that translates into lower rates of disease for smokers who switch. U.S. regulators published a mixed review Monday of the closely watched cigarette alternative from Philip Morris International. The company hopes to market the electronic device as the first "reduced-risk" tobacco product ever sanctioned by the U.S....

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