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

Hossam A Shaltout1, Katelyn R Garcia1, Laura D Baker1

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Summary
This summary is machine-generated.

Metabolic syndrome (MetS) is linked to poorer autonomic function and cognitive decline in older adults. Early diagnosis and treatment of MetS may help preserve cognitive health and reduce Alzheimer's disease risk.

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Area of Science:

  • Gerontology
  • Cardiovascular Health
  • Neuroscience

Background:

  • Metabolic syndrome (MetS) is a cluster of risk factors impacting cardiovascular and cognitive health.
  • Its association with autonomic function and Alzheimer's disease (AD) risk in older adults remains unclear.

Purpose of the Study:

  • To investigate the relationship between MetS, cognitive function, and autonomic function in older adults.
  • To determine if MetS modifies the risk for cognitive decline and AD.

Main Methods:

  • 440 participants from the U.S. POINTER trial were analyzed.
  • MetS was defined by Adult Treatment Panel III criteria.
  • Autonomic function was assessed using baroreflex sensitivity (BRS), blood pressure variability (BPV), and heart rate variability (HRV) (rMSSD, SDNN). Cognitive function was evaluated using a comprehensive battery.
  • Linear regression analyses were performed, adjusting for relevant covariates.

Main Results:

  • Participants with MetS exhibited lower global cognition, episodic memory, executive function, and processing speed.
  • Reduced autonomic function was observed in MetS participants, indicated by lower BRS, SDNN, and higher BPV.
  • Both HRV measures (rMSSD, SDNN) were positively associated with global cognition, executive function, and episodic memory.

Conclusions:

  • Healthy autonomic function is positively associated with cognition and negatively associated with MetS in older adults at risk for AD.
  • Further research is warranted to explore if early MetS intervention can delay cognitive decline.