This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
Which of the following is not true regarding delusional disorder 
Select and explain. 
A. Social isolation, B. Occurs at early age, C. Sensory impairment, D. Recent immigration
B: Occurs at early age
Answer: B: Occurs at early age 
Explanation: Risk factors of delusional disorder:- * Advancing age * Sensory loss * Recent immigration * Social isolation * Family history * Personality traits Ref:- Kaplan & Sadock's Synopsis of Psychiatry 10th edition; Pg num:- 432