"Hart reports that more than 70 percent of drug users—whether they use alcohol, cocaine, prescription medications, or heroin—do not meet the health criteria for

"Hart reports that more than 70 percent of drug users—whether they use alcohol, cocaine, prescription medications, or heroin—do not meet the health criteria for drug addiction." One would hope that would be well over 99%, given how many use asperin/acetaminophen/etc, caffeine, alcohol, nicotine, and so forth.