Nevertheless, it wasn't the heroin that caused this particular incident (although no doubt heroin causes lots of problems of its own!). From the article: > An

Nevertheless, it wasn't the heroin that caused this particular incident (although no doubt heroin causes lots of problems of its own!). From the article: > An unknown toxin, probably something in the substance that had been added to the heroin to make it go further, was wreaking havoc in Jake’s brain