Police note a trend that shows more and more addicts die of heroin, which in recent years has been "cleaner".
Dependence on heroin that leads to complete brain chemistry disorder results in a plethora of psychiatric, psychological and psychosocial facets. For heroin addicts, there is much more common depression compared to a population that never consumes opiates, even in a so-called "recreational" way.
Heroin initially in drug addicts causes euphoria, a sense of satisfaction, carelessness and elevated mood similar to the effects of natural endorephins that man possesses in his own central nervous system. These properties make them (opiates) extremely popular drugs.
Gradually, drug addicts lose interest in anything, except for drugs, or "doses" they are trying to provide at all costs. In order to punish drugs, they often become criminals, brutal, asocial, lying and unreliable.