TY - CHAP M1 - Book, Section TI - Anxiety Disorders A1 - Michels, Philip J. A1 - Steadman, M. Sharm A2 - South-Paul, Jeannette E. A2 - Matheny, Samuel C. A2 - Lewis, Evelyn L. PY - 2015 T2 - CURRENT Diagnosis & Treatment: Family Medicine, 4e 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. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - accessmedicine.mhmedical.com/content.aspx?aid=1106853185 ER -