This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Intestional absorption of Calcium is decreased by 
Select and explain. 
A. Proteins, B. Lactose, C. Phytic Acid, D. Acidity
C: Phytic Acid
Answer: C: Phytic Acid 
Explanation: None