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: Social & Preventive Medicine
Study of disease in a traveller from one part to another 
Select and explain. 
A. Eugenics, B. Ergonomics, C. Emporiatrics, D. None
C: Emporiatrics
Answer: C: Emporiatrics 
Explanation: None