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Related Concept Videos

Primary Healthcare Services01:30

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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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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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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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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.
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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.

Jordan Weiss1, Jiaqi Hu2, Richey Sharrett3

  • 1NYU Grossman School of Medicine, New York, NY, USA.

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

Midlife vascular risk factors significantly reduce dementia-free years and increase dementia duration, primarily due to higher mortality. Managing these risks is crucial for promoting brain health and healthy aging.

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Area of Science:

  • Neurology
  • Epidemiology
  • Gerontology

Background:

  • Midlife vascular risk factors like diabetes, hypertension, and smoking are linked to dementia and mortality.
  • Previous studies examined individual risk factors, but the combined impact on dementia and lifespan is unclear.
  • Understanding these associations is vital for developing interventions for healthy aging.

Purpose of the Study:

  • To investigate the joint burden of midlife vascular risk factors on dementia onset and life expectancy.
  • To quantify the impact of multiple risk factors on dementia-free years and years lived with dementia.

Main Methods:

  • Prospective cohort analysis of 12,409 participants from the Atherosclerosis Risk in Communities (ARIC) Study.
  • Participants were stratified by the number of midlife vascular risk factors (0, 1, 2, or 3).
  • Cumulative incidence functions and Kaplan-Meier methods were used to estimate dementia and mortality risks, and life expectancy with and without dementia.

Main Results:

  • 57.5% of participants had at least one midlife vascular risk factor.
  • Individuals with three risk factors had 17.5 dementia-free years at age 55, compared to 30.1 years for those with no risk factors.
  • Higher vascular risk burden correlated with increased mortality, leading to a lower lifetime risk of dementia but more years lived with dementia.

Conclusions:

  • A greater burden of midlife vascular risk factors is associated with earlier dementia onset and reduced dementia-free life expectancy (up to 13 years).
  • Increased mortality with higher vascular risk burden significantly impacts life expectancy, adding 2-4 years lived with dementia.
  • Urgent implementation of midlife vascular health interventions is needed to delay dementia and enhance brain health.