10 papers analyzed
These studies suggest that long-term exposure to air pollution is associated with cognitive decline, impaired brain development, and increased risk of neurodegenerative conditions like Alzheimer's disease, particularly affecting older adults and those with pre-existing health conditions.
Air pollution is a significant environmental health concern with potential impacts on various aspects of human health, including cognitive function. Recent research has increasingly focused on understanding how exposure to air pollutants affects cognitive abilities and contributes to neurodegenerative diseases such as dementia and Alzheimer's disease.
General Cognitive Decline and Air Pollution:
Impact on Neurodevelopment and Cognitive Performance:
Neurodegenerative Diseases and Cognitive Decline:
Mechanisms and Modifiers:
The collective evidence from multiple studies indicates that air pollution has a detrimental effect on cognitive function across the lifespan. Long-term exposure to pollutants like PM2.5 and NO2 is particularly harmful, contributing to cognitive decline and increasing the risk of neurodegenerative diseases such as dementia and Alzheimer's disease. The mechanisms underlying these effects include neuroinflammation and oxidative stress, with genetic factors potentially exacerbating the impact. Reducing air pollution levels could be a crucial step in mitigating cognitive decline and protecting public health.
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