In order for epidemiologists to infer that Behavior A causes Disease B,they must observe

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All three criteria must be met in order to establish causation. The first criterion is temporal relationship, which means that the exposure or behavior (Behavior A) must come before the outcome (Disease B). The second criterion is a dose-response relationship, meaning that the risk of developing the disease increases as the exposure or behavior increases. The third criterion is the elimination or reduction of the disease when the exposure or behavior is eliminated or reduced, indicating that the exposure or behavior is the cause of the disease. Therefore, in order to infer that Behavior A causes Disease B, all three criteria must be met.

In Order for Epidemiologists to Infer That Behavior a Causes