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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 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:
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.

Htet Lin Htun1, Achamyeleh Teshale1, Haoxiong Sun1

  • 1Monash University, Melbourne, VIC, Australia.

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

New loneliness patterns in older adults show gender-specific dementia risks. Incident loneliness increases dementia risk in men, while persistent loneliness elevates risk in women, highlighting the need for timely social connection interventions.

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Area of Science:

  • Gerontology
  • Neuroscience
  • Public Health

Background:

  • Limited research exists on how changes in loneliness, social isolation, and social support impact dementia risk differently in men and women.
  • This study addresses this gap by examining gender-specific associations between these social factors and the incidence of dementia.

Purpose of the Study:

  • To investigate the gender-specific effects of changes in loneliness, social isolation, and social support on the risk of developing dementia.
  • To identify specific patterns of loneliness (incident or persistent) associated with increased dementia risk in older men and women.

Main Methods:

  • Analysis of data from over 12,000 Australians aged 70+ without cognitive impairment at baseline, followed for over 8 years.
  • Self-reported loneliness, social isolation, and social support were assessed at baseline and follow-up, categorized as never, transient, incident, or persistent.
  • Gender-disaggregated Cox proportional hazards regressions were used to analyze dementia risk, adjusting for covariates.

Main Results:

  • Incident loneliness was associated with increased dementia risk in men (HR: 1.52).
  • Persistent loneliness was linked to a significantly higher dementia risk in women (HR: 2.14).
  • Social isolation and low social support did not show significant associations with dementia risk in this cohort.

Conclusions:

  • Changes in loneliness patterns have gender-specific associations with dementia risk in later life.
  • Persistent loneliness in women and incident loneliness in men are key indicators for increased dementia risk.
  • Early identification and intervention for loneliness are crucial for maintaining cognitive health and delaying dementia onset.