Associations between cigarette smoking and cannabis dependence: A longitudinal study of young cannabis users in the United Kingdom.
Cigarette smoking is related to concurrent cannabis dependence independently of cannabis use frequency. Cigarette smoking also mediates the relationship between cannabis use and cannabis dependence suggesting tobacco is a partial driver of cannabis dependence in young people who use cannabis and tobacco.
Authors: Hindocha C1, Shaban ND2, Freeman TP2, Das RK2, Gale G2, Schafer G2, Falconer CJ3, Morgan CJ4, Curran HV2.
For further info go to… http://www.ncbi.nlm.nih.gov/pubmed/25622777