“Do not be anxious for anything,” the Bible says (Philippians 4:6). As a psychotherapist, I regularly deal with people with serious and debilitating anxiety. And I know that simply deciding to not be anxious doesn’t work. Anxiety is the product of changes in one’s brain and autonomic nervous system as a result of trauma. And trauma is a life event that overwhelms a person’s emotional capacity and understanding. Traumatic response is marked by these characteristics: Submerged memory as the brain blocks you from again being overwhelmed; Emotional dysregulation as the brain blocks access to executive brain functions responsible for regulating how we feel and respond to stress; and Difficulty forming attachments and, sometimes, disassociation. Anxiety is what a person experiences when these characteristics are inadequate to deal with traumatic memories or new stress experiences. Anxiety is experienced emotionally, psychologically, and somatically (in the body). It is a state of readiness to either respond with aggression (fight) or by fleeing or avoiding the situation (flight). Anxiety is living in the expectation that the immediate future is …