Group differences were assessed using the chi-squared or Fishers exact test for categorical variables
E-cigarettes are battery-operated devices designed to deliver nicotine with flavorings and other chemicals to users in vapor form instead of smoke
As a part of meeting that commitment, we use a non-affiliated third party age and identity verification company, to assure that you are of legal age to purchase our products and are who you say you are
Dylan Lippold, a middle school teacher in Wisconsin, said he remains more concerned about energy drink consumption among his students
While during the 2000s and early 2010s the standard unit of measurement for intensity was x amount of [water, CO 2 , energy, etc.] per million cigarettes produced, a recent trend has been to not mention the amount of environmental impact per cigarettes produced by instead measuring intensity in environmental costs per million of US dollars or British pounds of net tobacco revenue (Imperial Tobacco Group PLC 2015)