Scientific studies that compare patients with a disease to those without the disease are referred to as

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Case-control studies compare individuals with a disease (cases) to individuals without the disease (controls) to determine potential risk factors or causes of the disease. Clinical trials test the efficacy and safety of a treatment or intervention. Cohort studies follow a group of individuals over time to determine the incidence and natural history of a disease. In vitro studies are conducted in a laboratory setting using cells or tissues outside of the body.

Scientific Studies That Compare Patients with a Disease to Those