This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and Health, Subject name: Social & Preventive Medicine
PUFA consumption is associated with 
Select and explain. 
A. Lowering of serum cholesterol, rise in LDL cholesterol, B. Lowering of serum cholesterol, lowering of LDL cholesterol, C. Rise in serum cholesterol, rise in LDL cholesterol, D. Rise in serum cholesterol, lowering of LDL cholesterol
B: Lowering of serum cholesterol, lowering of LDL cholesterol
Answer: B: Lowering of serum cholesterol, lowering of LDL cholesterol 
Explanation: Ans. is 'b' i.e. lowering of serum cholesterol, lowering of LDL cholesterol "Diets rich in essential fatty acids have been reported to reduce serum cholesterol and low-density lipoproteins" - ParkEssential fatty are those fatty acids which cannot be synthesized by human body. They are essential because they can be derived only from food. These are 3 PUFALinoleic acidLinolenic acidArachidonic acid