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Related Concept Videos

Primary Healthcare Services01:30

Primary Healthcare Services

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Primary care promotes wellness and prevents disease. This care includes health promotion, education, protection (such as immunizations), early disease screening, and environmental considerations. Settings providing this type of healthcare include physician offices, public health clinics, school nursing, and community health nursing.
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Health promotion allows a person to control the determinants of health, resulting in an improved health status. It enhances the quality of life and reduces premature deaths. Health promotion and illness prevention programs help people make beneficial choices to reduce the risk of disease and disabilities. There are three health promotion and illness prevention levels: primary, secondary, and tertiary prevention.
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Preventive Healthcare Services01:30

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Preventive healthcare services keep people healthy via frequent check-ups, screening, and counseling. They primarily aid in disease prevention rather than treating an acute or chronic illness. Preventive treatment also keeps individuals productive and energetic, allowing them to work well into their retirement years. Examples of preventive care services include:
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Principles of Disease Surveillance01:26

Principles of Disease Surveillance

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Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
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Healthcare Agencies II01:17

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There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
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At the different levels of the healthcare system, we see varying methods of healthcare used. These methods include managed care systems, case management, and primary healthcare.
Managed Care System:
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Public Health.

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Traumatic brain injury (TBI) in older adults is linked to cognitive decline, particularly in executive function. Cognitive impairment was most significant when the first TBI occurred at age 65 or older.

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Area of Science:

  • Neuroscience
  • Gerontology
  • Public Health

Background:

  • Traumatic brain injury (TBI) is known to cause cognitive deficits.
  • The impact of age at first TBI on cognitive function remains understudied.

Purpose of the Study:

  • To investigate the association between age at first TBI and cognitive performance.
  • To examine how TBI influences cognitive function over time based on age at injury.

Main Methods:

  • Prospective cohort study analyzing 5,697 participants from the Atherosclerosis Risk in Communities (ARIC) study (2011-2019).
  • TBI and age at first TBI were assessed using self-report and ICD codes.
  • Cognitive function (memory, language, executive function) was measured using 11 tests, analyzed with linear mixed-effects models, and adjusted for multiple covariates.

Main Results:

  • A history of TBI was present in 33.6% of participants.
  • Individuals with TBI experienced diminished baseline cognitive performance, especially in executive function.
  • Cognitive decline over five years was most pronounced in those whose first TBI occurred at age 65 or older, particularly affecting language function.

Conclusions:

  • First-time TBI in older adults is associated with impaired cognitive function at baseline and over time.
  • Age at first TBI is a critical factor influencing the severity and trajectory of cognitive sequelae.