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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.
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

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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

Healthcare Agencies II

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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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Methods Of Healthcare Delivery System01:26

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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.

Elyse Couch1, Munachimso Ugoh1, Lauren Thomas1

  • 1Brown University, Providence, RI, USA.

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

Mild cognitive impairment (MCI) is significantly underdiagnosed in Medicare beneficiaries. Few individuals with MCI symptoms receive a formal diagnosis, especially those attending doctor visits alone.

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Area of Science:

  • Gerontology
  • Neurology
  • Public Health

Background:

  • Mild cognitive impairment (MCI) is a critical precursor to dementia.
  • MCI affects a substantial population, yet diagnosis rates remain poorly understood.
  • Understanding MCI diagnosis is crucial for timely intervention and dementia prevention.

Purpose of the Study:

  • To determine the diagnosis rate of MCI among US Medicare beneficiaries.
  • To identify patient characteristics associated with receiving an MCI diagnosis.

Main Methods:

  • Retrospective cohort study using the National Health and Aging Trends Study (NHATS) data.
  • Analysis of Medicare fee-for-service beneficiaries with MCI symptoms from 2015-2022.
  • Logistic regression models to identify factors associated with MCI diagnosis using claims data.

Main Results:

  • Only 10.6% of 2.7 million eligible Medicare beneficiaries with MCI symptoms had a recorded diagnosis.
  • Univariate analysis indicated lower diagnosis odds for younger beneficiaries and those attending doctor visits alone.
  • Multivariate analysis lacked significant associations, potentially due to limited statistical power.

Conclusions:

  • MCI is significantly underdiagnosed within the Medicare beneficiary population.
  • Individuals attending doctor visits alone represent a key group with undiagnosed MCI.
  • Increased efforts in research and policy are necessary to improve MCI diagnosis rates.