This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Which of the folowing is not true about Rumination disorder? 
Select and explain. 
A. Failure to thrive, B. Appears between 3 - 5 years of age, C. Regurgitation of food, D. No nausea
B: Appears between 3 - 5 years of age
Answer: B: Appears between 3 - 5 years of age 
Explanation: This rare disorder occurs more commonly in males and usually appears between 3 and 14 months of age. It is potentially fatal; some repos indicate that up to one fouh of affected children die.