One important consideration when trying to determine whether someone has a psychological disorder is the extent to which that person's life has been disrupted. katherine's condition is either producing or has the potential to produce disruptive effects on several kinds of functioning. what impact is katherine's condition having on her physical health? katherine's reluctance to enter her kitchen makes it difficult to maintain a healthy diet. katherine's inability to relate to others keeps her cooped up in her apartment and produces a sedentary lifestyle. katherine attempts to self-medicate by using drugs to block out anxiety-producing thoughts.