Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

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...
1.9K
Levels of Health Promotion and Illness Prevention01:26

Levels of Health Promotion and Illness Prevention

14.1K
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...
14.1K
Preventive Healthcare Services01:30

Preventive Healthcare Services

1.8K
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

439
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,...
1000
Methods Of Healthcare Delivery System01:26

Methods Of Healthcare Delivery System

3.9K
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...
3.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Psychiatric or psychological treatment of depression in older adults and subsequent risk of dementia: Health and Retirement Study2012-2020.

Journal of psychiatric research·2026
Same author

Association of resilience with hemoglobin A1c among youth and young adults with youth-onset diabetes.

Annals of epidemiology·2026
Same author

Examining the association of maternal oral health experiences with adverse birth outcomes: findings from Virginia's PRAMS survey.

BMC oral health·2026
Same author

Association Between Cholinesterase Inhibitor-Overactive Bladder Antimuscarinic Prescribing Cascade and Risk of Delirium and Falls Among Individuals Living With Dementia.

Journal of the American Geriatrics Society·2026
Same author

Supplemental Nutrition Assistance Program use and cognitive performance in middle-aged and older adults.

International journal of epidemiology·2026
Same author

Trajectories of perinatal depressive symptoms in women with overweight and obesity.

Journal of behavioral medicine·2026
Same journal

Breaking barriers: Enhancing access to dementia clinical trials in the United Kingdom-Insights from the Scientific Advisory Board of the Dame Barbara Windsor Dementia Goals Programme.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Unveiling the procoagulant state in Alzheimer's disease: A novel PET imaging strategy.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Estimated labor market outcomes of people progressing from preclinical to early-stage Alzheimer's disease in the United States.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Amyloid exacerbates tau and alpha-synuclein pathologies, behavioral impairments, and neuroinflammation in a mixed dementia model.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Multimorbidity burden and patterns associated with DeepBrainNet-derived brain-age gap in dementia-free older adults: A community-based study.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
Same journal

Reply to "Shifting the emphasis of brain health literacy from individuals to systems to reduce inequalities".

Alzheimer's & dementia : the journal of the Alzheimer's Association·2026
See all related articles

Related Experiment Video

Updated: Jan 8, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
10:57

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

Published on: August 22, 2012

24.2K

Public Health.

Yanan Zhang1, Anwar T Merchant1, Jingkai Wei2

  • 1University of South Carolina, Columbia, SC, USA.

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

Engaging in recommended physical activity (PA) from midlife did not significantly reduce cognitive impairment in late life. Further research is needed to explore alternative long-term PA strategies for cognitive health.

More Related Videos

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
09:33

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

2.6K
Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
07:20

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

Published on: January 28, 2014

37.1K

Related Experiment Videos

Last Updated: Jan 8, 2026

Determining Soil-transmitted Helminth Infection Status and Physical Fitness of School-aged Children
10:57

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

Published on: August 22, 2012

24.2K
Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
09:33

Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India

Published on: December 23, 2022

2.6K
Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies
07:20

Dried Blood Spot Collection of Health Biomarkers to Maximize Participation in Population Studies

Published on: January 28, 2014

37.1K

Area of Science:

  • Neuroscience
  • Public Health
  • Epidemiology

Background:

  • Cognitive decline often begins in midlife, suggesting early intervention is crucial.
  • Randomized controlled trials (RCTs) typically study PA in older adults, not midlife.
  • Target trial emulation using observational data offers a method to study long-term midlife interventions.

Purpose of the Study:

  • To emulate a target trial assessing the effectiveness of physical activity (PA) initiated in midlife for reducing cognitive impairment.
  • To estimate the long-term impact of meeting PA guidelines from midlife through late life on cognitive function.

Main Methods:

  • Analysis of Whitehall II study participants aged 45-64, free of cognitive impairment.
  • Defined hypothetical PA intervention as ≥150 minutes/week of moderate-to-vigorous PA.
  • Used parametric g-formula to estimate cognitive impairment risk, controlling for confounders and loss to follow-up over 18 years.

Main Results:

  • Included 3,309 participants (26% female, all White).
  • Cumulative risk of cognitive impairment increased over the 18-year follow-up period.
  • Initiating hypothetical PA intervention from midlife did not significantly reduce cognitive impairment.

Conclusions:

  • Maintaining recommended physical activity levels from midlife did not demonstrate significant cognitive benefits.
  • Further research should investigate alternative strategies for effective long-term PA interventions starting in midlife to support cognitive health.