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Heated tobacco products, on the other hand, can be more expensive than vaping

Clarendon Press, Oxford, UK, 4th edition, 2007

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Mish , chief executive officer of 22nd Century Group, said, Studies show that at least half of all adult smokers try to quit each year, and VLN cigarettes give them an alternative that tastes, smells and burns like a cigarette but greatly reduces their nicotine consumption. Michael Zercher , president & chief operating officer of 22nd Century Group, said the company is focused on harm reduction and plant technology/science and not affiliated with the big tobacco companies

We included multiple observations from a single study when effects were reported by location or source of exposure and/or separately by sex or other subgroups