A patient with fears of serious heart disease was referred to the mental health center by a cardiologist. Extensive diagnostic evaluation showed no physical illness. The patient says, "My chest is tight, and my heart misses beats. I'm often absent from work. I don't go out much because I need to rest." Which health problem is most likely?
a. Dysthymic disorder
b. Somatic symptom disorder
c. Antisocial personality disorder
d. Illness anxiety disorder (hypochondriasis)
Answer: D