Evidence from a cannabis use disorders multiple causes model for the cannabis–tobacco combination known as ‘blunts’

摘要: What is a cannabis ‘blunt’? § A method of tobacco-cannabis co-administration where tobacco from cigar removed and replaced with cannabis. Similar to other forms co-use such as “spliffs” or “mulling” (mixing in joint), “chasing” (smoking immediately after cannabis)1. How common blunt smoking who are primarily affected? Lifetime use may be high 10% among youths2 In the US, many half users have smoked recently (within past 30 days)2. . Blunt smokers disproportionately male, African-American, older youths, urban3,4. Why might study important? Rates been increasing younger cohorts differences between racial/ethnic groups diminishing5. experience more nicotine dependence, but this finding needs further replicated4.