The air curtain is installed inside the doorway, and air blows down toward the floor, sometimes at a slight angle outward. Jupiterimages/Getty Images There are two ways to use an air curtain.
Psychotherapy is the first form of treatment for depression or anxiety and involves a variety of treatment techniques. During psychotherapy, the person experiencing depression or anxiety speaks with a licensed psychologist or therapist who helps him or her to identify and work on the causative factors.
Two of the most common evidence-based therapies for depression are cognitive behavioral therapy and interpersonal therapy. 1  Cognitive Behavioral Therapy (CBT) is a type of therapy in which patients learn to identify and manage negative thought and behavior patterns that can contribute to their depression.