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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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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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Public Health.

Patricio Solis-Urra1,2,3, Beatriz Fernandez-Gamez1, Andrea Coca-Pulido1

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Resistance exercise (RE) shows promise in delaying cognitive decline in older adults. The AGUEDA trial investigated how individual characteristics influence RE

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Area of Science:

  • Neuroscience and Aging Research
  • Gerontology and Cognitive Health
  • Exercise Physiology and Rehabilitation

Background:

  • Physical exercise is a key non-pharmaceutical strategy for delaying cognitive decline, particularly relevant for Alzheimer's Disease (AD).
  • Understanding the precise mechanisms of exercise's impact on cognition, especially resistance exercise (RE), and how individual factors modulate these effects in older adults remains crucial.
  • Few studies have comprehensively assessed the influence of demographics and clinical variables on the cognitive benefits of RE in well-characterized older adult populations.

Purpose of the Study:

  • To investigate the effects of a 24-week resistance exercise (RE) intervention on cognitive performance in cognitively normal older adults.
  • To explore how individual participant characteristics (e.g., sex, age, education, comorbidities, APOE status, amyloid burden) moderate the impact of RE on various cognitive domains.
  • To identify potential mediators, including physical parameters, of cognitive changes induced by RE.

Main Methods:

  • The AGUEDA trial is a single-site, two-arm, single-blinded, randomized controlled trial involving 90 cognitively normal older adults.
  • Participants were randomized to either a supervised 24-week RE program (180 min/week) using elastic bands and bodyweight exercises or a control group maintaining usual activities.
  • Cognitive performance was assessed across multiple domains including executive function, attention, memory, processing speed, and visuospatial skills, with demographic and clinical variables analyzed as moderators.

Main Results:

  • The 24-week RE intervention demonstrated a positive impact on executive function and specific cognitive subdomains.
  • High adherence to the RE program was observed, with no serious adverse events reported.
  • Preliminary findings suggest that individual characteristics significantly influence the extent of cognitive benefits derived from RE, highlighting potential for personalized interventions.

Conclusions:

  • Resistance exercise (RE) is a viable and safe intervention for improving cognitive function in cognitively normal older adults.
  • Individual participant characteristics play a critical role in modulating the cognitive benefits of RE, underscoring the need for precision-based approaches.
  • This research provides a foundation for optimizing RE interventions by tailoring them to individual patient profiles for targeted management of AD-related cognitive decline.