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1. What do epidemiologists study?

A. risk factors for different diseases

B. how often a disease occurs in a particular area or group of people

C.blood and heart diseases

D. Non-infectious diseases and their causes

User Kasper Hansen
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2 Answers

15 votes
15 votes
A, risk factors of different diseases
User Chris Allwein
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11 votes
11 votes
The study of the distribution and determinants if health-related states and events in specific populations
User Aquagremlin
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