One illustration of this is that when they changed the formula to prevent injection and insufflation, heroin use rose. [0] I seem to recall earlier stories lin

One illustration of this is that when they changed the formula to prevent injection and insufflation, heroin use rose. [0] I seem to recall earlier stories linking the rise of prescription opiates in general to a resurgence in what had been declining heroin abuse, but I'm not finding anything. [0] https://www.latimes.com/local/lanow/la-me-oxycontin-20170109-story.html https://www.latimes.com/local/lanow/la-me-oxycontin-20170109...