To recognize the adverse secondary impacts of adult uses that affect health, safety and general welfare concerns of the Borough. These secondary impacts have been documented in research conducted across the nation. These secondary impacts typically include, but are not limited to: increases in criminal activity, increases in activities that increase the risk of transmission of sexually transmitted diseases, increases in activities that increase the risk of transmission of other communicable diseases, increases in blight, decreases in the stability of residential neighborhoods, and decreases in property values for surrounding homes, and decreases in the marketability of nearby commercial business space. The research conducted across the nation concludes that adult uses typically involve insufficient self-regulation to control these secondary effects.