Which of the following disorders has no known cause?
A) Anxiety
B) Depression
C) Obsessive-compulsive disorder
D) Schizophrenia

Question

Quizplus · Accepted Answer

While there are many proposed theories about what causes schizophrenia, there is currently no known single cause for the disorder. Factors like genetics, brain chemistry, and environmental stressors are all thought to play a role in the development of schizophrenia, but none have been definitively proven as the sole cause.

Which of the Following Disorders Has No Known Cause