"Self-help or self-improvement is a self-guided improvement—economically, intellectually, or emotionally—often with a substantial psychological basis. Many different self-help group programs exist, each with its own focus, techniques, associated beliefs, proponents and in some cases, leaders. Concepts and terms originating in self-help culture and Twelve-Step culture, such as recovery, dysfunctional families, and codependency have become firmly integrated in mainstream language.