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Health communication aims to increase knowledge by letting the public know what to do in a health crisis, be able to handle it smoothly and clearly without as much panic as when first discovering an illness or disease unknown to the public. Which research has shown that it can lead to behavioral change.
The natural history of a disease is sometimes said to start at the moment of exposure to causal agents. [2] Knowledge of the natural history of disease ranks alongside causal understanding in importance for disease prevention and control. Natural history of disease is one of the major elements of descriptive epidemiology. [2]
Most governments recognize the importance of public health programs in reducing the incidence of disease, disability, and the effects of aging and other physical and mental health conditions. However, public health generally receives significantly less government funding compared with medicine. [45]
Disease surveillance is an epidemiological practice by which the spread of disease is monitored in order to establish patterns of progression. The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as increase knowledge about which factors contribute to such circumstances.
The ability to read and understand medication instructions is a form of health literacy. Health literacy encompasses a wide range of skills, and competencies that people develop over their lifetimes to seek out, comprehend, evaluate, and use health information and concepts to make informed choices, reduce health risks, and increase quality of life.
Chronic diseases such as heart disease, stroke, diabetes, obesity and cancer have become the most common and costly health problems in the United States. In 2014, it was projected that by 2023 that the number of chronic disease cases would increase by 42%, resulting in $4.2 trillion in treatment and lost economic output. [137]
Pathology as a medical specialty is the branch of medicine that deals with the study of diseases and the morphologic, physiologic changes produced by them. As a diagnostic specialty, pathology can be considered the basis of modern scientific medical knowledge and plays a large role in evidence-based medicine.
The value of knowledge is the worth it holds by expanding understanding and guiding action. Knowledge can have instrumental value by helping a person achieve their goals. [58] For example, knowledge of a disease helps a doctor cure their patient, and knowledge of when a job interview starts helps a candidate arrive on time. [59]