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Related Concept Videos

Primary Healthcare Services01:30

Primary Healthcare Services

1.9K
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.
In 1978, international leaders convened in Alma-Ata, Kazakhstan, for what would be a pivotal event in global health. The Alma-Ata Declaration was the first to call...
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Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

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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.
In primary prevention, actions taken before disease onset prevent the disease from...
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Preventive Healthcare Services01:30

Preventive Healthcare Services

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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:
1.8K
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...
439
Healthcare Agencies II01:17

Healthcare Agencies II

1000
There are various healthcare agencies in the United States—some of which are managed by religious institutions and others by different government branches.
Parish nursing is a growing specialty nursing profession that focuses on holistic healthcare, health promotion, and illness prevention. It blends professional nursing practice with a health ministry, focusing on health and healing within the context of a Christian community. Parish nurses serve as health educators, referral sources,...
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Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

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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:
The managed care system is designed to control the cost while maintaining the quality of care. The patient's care from admission to discharge is planned by the primary care provider or the case manager, also known as the gatekeeper. In a managed care system, the number of care providers is...
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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.

Petroula Proitsi1

  • 1Centre for Preventive Neurology, Wolfson Institute of Population Health, Queen Mary University of London, London, United Kingdom.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 23, 2025
PubMed
Summary

Integrating multi-omics data aids early dementia detection and reveals causal pathways. Key molecules identified may offer new avenues for prevention and treatment, personalized to individuals.

Area of Science:

  • Neuroscience
  • Genetics
  • Biomarker Discovery

Background:

  • Dementia prevention is challenging due to complex causes and long preclinical stages.
  • Accessible biomarkers are crucial for early detection and understanding dementia etiology.
  • Integrating genetic, multi-omic, and risk factor data can improve dementia detection and causal pathway elucidation.

Purpose of the Study:

  • To identify accessible biomarkers for early dementia detection.
  • To unravel the causal pathways underlying different forms of dementia.
  • To explore the interplay between molecular pathways, modifiable risk factors, and dementia.

Main Methods:

  • Utilized UK Biobank data, analyzing blood proteins and metabolites.
  • Employed Cox Proportional Hazard Lasso models for predictive signature identification.

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  • Applied Mendelian randomization and causal mediation analyses for causal inference.

    • Main Results:

    • Identified multi-omics signatures associated with dementia, including APOE-ε4-dependent and independent factors.
    • Revealed potential causal links between metabolic/protein markers, dementia, and brain volumes.
    • Found that immune and lipid proteins mediate the relationship between cardiometabolic risks and dementia.

    Conclusions:

    • Integrating multi-omics data with machine learning and causal inference enhances dementia detection.
    • Identified key molecules as potential targets for dementia prevention and therapy.
    • Findings support personalized medicine approaches to reduce the dementia burden.