Although marijuana is the most commonly used substance among adults who also drink alcohol, there has been little information connecting the two or comparing the relationship between alcohol and marijuana use. A new study in Alcoholism: Clinical & Experimental Research has examined “how simultaneous and concurrent use of alcohol and cannabis relate to drunk driving and other social consequences among adults, and the first to examine differences between simultaneous and concurrent users in terms of demographics and substance use quantity/frequency.” The study concluded that in comparison to adults who only consumed alcohol, adults who simultaneously used both marijuana and alcohol were twice as likely to drive drunk or self-harm in other ways. They also displayed the heaviest drinking patterns. As marijuana has become legalized in multiple states and continues to be considered in many others, this study presents important data for professionals in the science and health fields.
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