ANI16 Feb 2019, 14:27 GMT+10 Washington D.C. [USA], Feb 16 (ANI): Scientists have now found a genetic variant in people of African descent that significantly increases a smoker's preference for cigarettes containing menthol, a flavour additive. According to scientists the variant of the MRGPRX4 gene is five to eight times more frequent among smokers who use menthol cigarettes than other smokers, according to an international group of researchers supported by the U.S. Food and Drug Administration and the National Institutes of Health. The study is the first to look across all genes to identify genetic vulnerability to menthol cigarettes. The paper was published online in the journal PLOS Gene... [Read more]