Epidemiological approach to assessment of health.
D002561:Cerebrovascular Disorders / Q000209:etiology / Q000517:prevention & control / Q000628:therapy; D004812:Epidemiologic Methods; D006331:Heart Diseases / Q000209:etiology / Q000517:prevention & control / Q000628:therapy; D006801:Humans; D008433:Mathematics; D008962:Models, Theoretical; D009369:Neoplasms / Q000209:etiology / Q000517:prevention & control / Q000628:therapy; D010548:Personal Health Services