What Is the Multiplier Effect With Alcohol?

By Staff WriterLast Updated Mar 26, 2020 1:36:33 AM ET
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The multiplier effect, or synergistic effect, of alcohol refers to the combination of the effect of alcohol with one or more drugs that is greater than the sum of the individual effects of each substance, according to the University of Notre Dame. One example from the Getting Them Sober Foundation shows that one joint of marijuana combined with alcohol seems like 10 beers instead of one beer.