Here’s the Real Reason Everybody Thought Trump Would Lose

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50. The largest shift in heroin use is gender based, in the past it was over 80% male, now it is equal

women to men. Historically heroin use has been equalized between whites and African Americans, the percentage of users was about the same, now it is mostly whites. Mostly suburban white women who started using prescription drugs as opposed to mostly urban males who started off with heroin itself.
Another shifting factor is age, users are older now than in the 1960's....

As shown in Figure 2, heroin users who started their opioid abuse in the 1960s were primarily men (82.8%). In contrast, the rate of women seeking treatment has increased in recent decades, such that, in our sample, by 2010, there were nearly equal numbers of male and female heroin users seeking treatment. The ethnicity of heroin users seeking treatment also showed a marked shift from nearly equal white to nonwhite ratios in the 1960s to a dominance of white users (90.3%) by 2010 (Figure 3). Looking at age-related trends, as shown in Figure 4, we found that the mean (SEM) age of heroin users seeking treatment was 16.5 (0.3) years when they first began abusing opioids in the 1960s. The mean (SEM) age at initiation gradually increased over time to 22.9 (0.4) years in the decade starting 2010.
http://archpsyc.jamanetwork.com/article.aspx?articleid=1874575

Also, there is just more of it than before, aside from the demographic details the sheer number of users is much higher.

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