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Topic 1: Causes of Disease


1.1 Pathogens
Disease: A disorder of structure or function in a human, animal, or plant, esp. one that produces specific
signs or symptoms or that affects a specific location and is not simply a direct result of physical injury
Micro-organism: a single celled organism that…

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Topic 1: Causes of Disease


Data on a given disease is collected, and then it is analysed to find a pattern or relationship between the
variables, e.g. which factors are a causal or correlation links.

Correlation and Causal Relationships
Causal Relationships are where the dependent variable is directly affected by…

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Topic 1: Causes of Disease


Reduced cholesterol intake
Reduced saturated fats
Alcohol intake
Increased aerobic exercise
Increased fibre intake




Shivani Barot 13FPage 3

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