Chunk #22 — Discussion

Source

Age of alcohol and cannabis use onset mediates the association of transmissible risk in childhood and development of alcohol and cannabis disorders: evidence for common liability.

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Whereas epidemiological (Le Strat, Grant, Ramoz, & Gorwood, 2010) and genetic (Chen et al., 2011) research indicates that age 22 is the optimum cutoff for manifesting the early onset variant of SUD, usually referred to as Type II (Cloninger et al., 1981) or Type B (Babor et al., 1992), the conclusions drawn herein may not be relevant to adult onset SUD.