Karen has been suffering from a disorder that is characterized by exaggerated and irrational worry that tends to interfere with her daily functioning.She can't sleep properly and often complains of stomach aches.In spite of being constantly nervous and restless she cannot seem to find the specific cause of her worry.These symptoms have lasted for almost six months now.Which of the following disorders is Karen most likely to be diagnosed with?

A) social anxiety disorder
B) generalized anxiety disorder
C) obsessive-compulsive disorder
D) bipolar disorder

Based on the symptoms described, Karen is most likely experiencing generalized anxiety disorder. The symptoms of exaggerated and irrational worry, interference with daily functioning, sleep disturbances, and physical complaints lasting for at least six months are all characteristic of this disorder. Social anxiety disorder is characterized by excessive fear or discomfort in social situations, while obsessive-compulsive disorder involves persistent unwanted thoughts and/or repetitive behaviors. Bipolar disorder involves episodes of depressed and manic moods.