we also use urine, saliva, and stool tests
Its messy
In the discussion section of the published study, the ACS researchers claim that the comprehensive flavor ban in Massachusetts was associated with a statistically significant decrease in state-level menthol and all cigarette sales. This claim is misleading and, for this reason, the study and its conclusions could misinform the public as well as lawmakers about the actual effect of a statewide flavored tobacco ban on cigarette sales

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