Impact of Air Pollution on Aging and Cognition
Author Information
Author(s): Cheung Ethan Siu Leung, Grineski Sara, Curtis David
Primary Institution: University of Utah
Hypothesis
How does cardiometabolic disease risk mediate the relationship between fine particulate matter exposure and cognitive decline in older adults?
Conclusion
Higher exposure to PM2.5 is linked to lower executive functioning in older adults, with cardiometabolic disease risk partially mediating this relationship.
Supporting Evidence
- PM2.5 exposure is associated with many adverse health effects.
- Higher PM2.5 exposure was linked to lower executive functioning.
- Cardiometabolic disease risk accounted for 14% of the association between PM2.5 and executive functioning.
Takeaway
Breathing in dirty air can make it harder for older people to think clearly, and health issues like heart disease can make this worse.
Methodology
Longitudinal data from the MIDUS study were used to analyze the effects of PM2.5 exposure on cognitive functioning and daily living activities.
Limitations
The study did not find significant associations between PM2.5 and IADL limitations.
Participant Demographics
Individuals aged 32 to 84 from the United States.
Digital Object Identifier (DOI)
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