Thirdhand smoke can be difficult to remove from polluted locations, which can include sheetrock, drywall, floors, and ceilings
Top it off with another pinch, then tamp it down again
Four of the studies were randomized trials (RCTs) of NRT products, reported in 8 published articles [20,21,22,23,24,25,26,27], 1 was a prospective cohort study [43], 1 was an observational study [35, 36], and the remainder were retrospective cross-sectional studies [28,29,30,31,32,33,34, 37,38,39,40,41,42, 44, 45]
I also made the mistake of wiping the inside with alcohol, which almost ruined the pre-carbonized coating
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