The graphs demonstrate that the percentage of adults who report abusing substances increases as the number of adverse childhood events they experienced increases. Approximately 3 percent of adults with no adverse childhood experiences reported being an alcoholic, approximately 5 percent of adults with one adverse childhood experience were alcoholics, nearly 8 percent of adults with two adverse childhood experiences were alcoholics, approximately 10 percent of adults with three adverse childhood experiences were alcoholics, and approximately 16 percent of adults with four adverse childhood experiences were alcoholics. Approximately 9 percent of adults with no adverse childhood experiences reported ever using illicit drugs, more than 15 percent of adults with one adverse childhood experience had used illicit drugs, more than 22 percent of adults with two adverse childhood experiences had used illicit drugs, approximately 25 percent of adults with three adverse childhood experiences had used illicit drugs, more than 28 percent of adults with four adverse childhood experiences had used illicit drugs, and more than 37 percent of adults with five or more adverse childhood experiences had used illicit drugs.

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