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[Association between air pollution and cognitive function in the elderly].

J N Wang1, Q Wang, T T Li

  • 1Institute for Environmental Health and Related Product Safety, Chinese Center for Disease Control and Prevention , Beijing 100021, China.

Zhonghua Yu Fang Yi Xue Za Zhi [Chinese Journal of Preventive Medicine]
|April 12, 2017
PubMed
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Exposure to air pollution, particularly particulate matter, is linked to cognitive disorders in older adults. Further research is needed to understand the physiological mechanisms and long-term effects on cognitive function.

Area of Science:

  • Environmental Health
  • Neuroscience
  • Gerontology

Background:

  • Cognitive disorders significantly impact the elderly, leading to decreased self-care abilities.
  • These disorders impose substantial social, psychological, and economic burdens, especially in China.

Purpose of the Study:

  • To review existing evidence on the association between major air pollutants and cognitive function in the elderly population.
  • To identify key air pollutants of concern, including sulfur dioxide (SO2), nitrogen dioxide (NO2), carbon monoxide (CO), and particulate matter (PM2.5, PM10).

Main Methods:

  • Systematic review of current scientific literature.
  • Analysis of studies investigating the correlation between exposure to specific air pollutants and cognitive function in elderly individuals.
Keywords:
Air pollutionCognition disordersElderlyParticulate matter

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Main Results:

  • Evidence suggests a significant association between exposure to air pollution, especially particulate matter, and the prevalence of cognitive disorders in the elderly.
  • The review highlights the need for understanding the underlying physiological mechanisms linking air pollution to cognitive decline.

Conclusions:

  • Air pollution, particularly particulate matter, is associated with cognitive impairment in the elderly.
  • Future research should focus on large longitudinal cohort studies and parallel toxicological and epidemiological investigations to elucidate the mechanisms of action.