RT Book, Section A1 Michels, Philip J. A1 Steadman, M. Sharm A2 South-Paul, Jeannette E. A2 Matheny, Samuel C. A2 Lewis, Evelyn L. SR Print(0) ID 1106853185 T1 Anxiety Disorders T2 CURRENT Diagnosis & Treatment: Family Medicine, 4e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071827454 LK accessmedicine.mhmedical.com/content.aspx?aid=1106853185 RD 2024/04/20 AB Anxiety is a diffuse, unpleasant, and often vague subjective feeling of apprehension accompanied by objective symptoms of autonomic nervous system (ANS) arousal. The experience of anxiety is associated with a sense of danger or a lack of control over events. The psychological component varies from individual to individual and is strongly influenced by personality and coping mechanisms.