(NIH/National Institute on Deafness and Other Communication Disorders) A genetic variant found only in people of African descent significantly increases a smoker's preference for cigarettes containing menthol, a flavor additive. The variant of the MRGPRX4 gene is five to eight times more frequent among smokers who use menthol cigarettes than other smokers. The multi-ethnic study is the first to look across all genes to identify genetic vulnerability to menthol cigarettes.
from EurekAlert! - Social and Behavioral Science http://bit.ly/2BEYtJp
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