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
[{'content': 'The book "Airs, Water and Places" considered a treatise on social medicine and hygiene is a work of \nSelect and explain. \nA. Hippocrates, B. John Snow, C. John Simon, D. John M Last', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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', 'role': 'assistant'}]