Fundamental Principles of Epidemiology a.k.a. “The Epidemiologist’s Mantra”
Since epidemiology seeks to identify the causes of disease, one of its fundamental objectives is to establish whether an association between a risk factor (or “exposure”)
Types of epidemiological studies
Epidemiological studies fall into two major types, both of which have their strengths and weaknesses:
Observational studies Experimental Studies
Observational studies rely on identifying (or “sampling”) a group of people in
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