Some researchers study the influence of age on the human body, others are more interested in
topics such as health and disease. How do these researchers differ in terms of their recruitment
strategies and research questions?
What will be an ideal response?
Researchers that are interested in connecting an aging process to changes in the body
usually want adults that are illness free and possess healthy lifestyles. This strategy
allows the researcher to better assess the impact of "aging alone" on our body and major
organ systems. In contrast, researchers that study health and disease often recruit a
wide variety of adults. In that manner, they can compare the lifestyles of adults who are
healthy or not, or have developed certain diseases. One issue that complicates this area
is risk comorbidity, or the tendency for some adults to engage in more than one risky
lifestyle choice (e.g., smoking and drinking).
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