Since heroin sold on the street is generally cut with another drug or other ingredients, street heroin does not usually have a regular potency; meaning that users may never know how powerful the heroin they use really is. The researchers say that this habit quickly becomes expensive yet heroin users will strive to find money in any way they can to get another fix. With this kind of mindset, teens and adolescents may be getting hooked on heroin and find that they cannot