This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Non communicable diseases, Subject name: Social & Preventive Medicine
Least common association with Morbid Obesity is? 
Select and explain. 
A. Rheumatoid Ahritis, B. Diabetes Mellitius type II, C. Essential Hypeension, D. Large bowel cancers
A: Rheumatoid Ahritis
Answer: A: Rheumatoid Ahritis 
Explanation: Morbidities associated with OBESITY Diabetes mellitus (Highest relative risk) Hypeension Dyslipidemia Other conditions : Hea diseases, Cerebrovascular disease, obstructive sleep apnoea, GE reflux, Osteoahritis, cancer Ref: The medical complications of Obesity by Malnicj, QH Med 2006 Pgno : 565-579