Cognitive-behavioral therapy (CBT) combines complimentary therapy methods in order treat a variety of mental health problems. Treatment is very structured and focuses on identifying and correcting problematic emotional patterns through changes in their thought processes (cognitions) and behavior. Because of this, it can be especially useful in treating anxiety, depression, and substance abuse. During an appointment the psychologist and patient will together identify cognitive and behavioral problems and set goals to fix them. Cognitive-behavioral therapy is usually short-term in nature, yet provides the client with the strategies needed to deal with emotional problems long-term. CBT is also individualized for each patient and can treat multiple mental health issues simultaneously. Evidence has shown that CBT can be substantially effective in treating emotional disorders.