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
Iodised salt was first staed in which country? 
Select and explain. 
A. India, B. UK, C. Switzerland, D. Germany
A: India
Answer: A: India 
Explanation: Iodine foification was first introduced in india. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 595