It’s common for individuals struggling with depression and substance use disorder to have destructive, harmful thinking. Not recognizing these thought patterns are harmful; they seek treatment for depression or other external forces. Since cognition alters our well-being, changing harmful thought patterns is crucial. CBT addresses harmful thought patterns, which help clients, identify their ability to practice alternative ways of thinking, and controls distressing emotions and harmful behavior (Hofmann, S.G., et al, 2005).