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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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Related Experiment Video

Updated: Jan 8, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
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Public Health.

Brandi Vollmer1, Christian G Habeck2, Vrinda Kalia3

  • 1Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University, New York, NY, USA.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary
This summary is machine-generated.

Unique metabolites are linked to changes in specific cognitive functions like memory and reasoning in adults. This research sheds light on metabolic pathways influencing cognitive health over time and potential links to dementia.

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Area of Science:

  • Neuroscience
  • Metabolomics
  • Cognitive Aging

Background:

  • Limited data exists on metabolites associated with cognitive changes in healthy adults.
  • Understanding these links may reveal early metabolic markers of age-related cognitive decline.

Purpose of the Study:

  • To investigate associations between specific metabolites and longitudinal changes in distinct cognitive domains.
  • To identify potential metabolic signatures related to cognitive trajectories in aging.

Main Methods:

  • 165 cognitively normal adults had metabolomic and cognitive data collected over five years.
  • Plasma metabolite profiles were generated using untargeted liquid chromatography-mass spectrometry.
  • Pearson correlations assessed relationships between metabolite features and changes in memory, reasoning, vocabulary, and processing speed.

Main Results:

  • Over 5,800 metabolic features were analyzed.
  • Significant correlations were found between metabolites and changes in memory (300 features), reasoning (314), vocabulary (203), and processing speed (211).
  • No single metabolite was linked to changes across all four cognitive domains.

Conclusions:

  • Distinct metabolic profiles are associated with changes in different cognitive domains, highlighting pathway heterogeneity.
  • Findings offer insights into biological mechanisms underlying cognitive function and potential progression to dementia.