Chapter 13 Anxiety
INTRODUCTION
Description: Anxiety is a common acute or chronic emotion associated with physical symptoms, and it is two to three times more common in women. Subtypes include situational anxiety, adjustment disorders, panic disorders, phobias, and post-traumatic stress disorder. Obsessive-compulsive disorders are often classified in this group as well.
ETIOLOGY AND PATHOGENESIS
Causes: Psychosocial stressors, abnormality of the neurotransmitter system (serotonin, norepinephrine, γ-aminobutyric acid) involving the amygdala and hippocampus.