People who smoke menthol cigarettes are no more likely to develop lung cancer than those who smoke non-menthol varieties, US researchers said on Wednesday in a surprise finding that could affect US regulators' efforts to ban menthol-flavored cigarettes.
Scientists had assumed that adding menthol to cigarettes would expose people to more toxins and increase their cancer risk, but a large study of older adults in community health centers found the opposite.
"The key finding was that the risk of lung cancer was no higher in menthol smokers.
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