Final answer:
True. Mindfulness does show promise across a broad range of clinical problems including the treatment of depression, anxiety disorders, relationship problems, substance abuse, and psychophysiological disorders.
Step-by-step explanation:
The statement is true. Mindfulness has shown promise in the treatment of various clinical problems, including depression, anxiety disorders, relationship issues, substance abuse, and psychophysiological disorders. Research has found that mindfulness-based interventions can be effective in reducing symptoms and improving overall well-being for individuals experiencing these conditions. For example, a meta-analysis comparing mindfulness-based therapies to antidepressant medication in depression and anxiety disorders found that mindfulness interventions were equally effective, if not more effective, in reducing symptoms.