Glossary

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Term Definition
Lay epidemiology

compromises knowledge and beliefs about health and causation of disease which are constructed primarily from subjective experience, observation of family and social networks and media sources. This contrasts with standard epidemiology which claims an objective understanding of the causes of diseases based on statistical evidence. 

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Liver fibrosis

is the scarring process that represents the liver’s response to injury. In the same way as skin and other organs heal wounds through deposition of collagen and other matrix constituents, repairs the liver injury by depositing new collagen. Over time, this process can result in liver cirrhosis, where the blood flow through the liver and liver function become disrupted. 

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Longitudinal Study

In a longitudinal study, researchers conduct several observations of the same participants over a period of time, sometimes lasting many years. The benefit of a longitudinal study is that researchers are able to detect developments or changes in the characteristics of the target population at both the group and the individual level. The key here is that longitudinal studies extend beyond a single moment in time (see cross-sectional study).

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