This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
The book "Airs, Water and Places" considered a treatise on social medicine and hygiene is a work of 
Select and explain. 
A. Hippocrates, B. John Snow, C. John Simon, D. John M Last
A: Hippocrates
Answer: A: Hippocrates 
Explanation: Hippocrates distinguished between diseases which are epidemic and those which are endemic. His book &; Airs, Water and places are considered a treatise on social medicine and hygiene. The Hippocratic concept of health and disease stressed the relation between man and his environment.Park 23e pg: 3