A comprehensive new study has found a strong link between long-term exposure to air pollution and an increased risk of cognitive decline and dementia. The research, which analyzed data from over 22 participants across 7 countries, provides compelling evidence that air pollution poses a significant threat to brain health.
The study focused on the effects of fine particulate matter (PM2.5), a type of air pollution commonly emitted from vehicle exhaust, industrial emissions, and burning fossil fuels. Researchers found that individuals living in areas with higher levels of PM2.5 had a significantly greater risk of developing cognitive impairment, including Alzheimer’s disease and other forms of dementia. The study controlled for other risk factors, such as age, socioeconomic status, and pre-existing health conditions, strengthening the link between air pollution and brain health.
“Our findings add to the growing body of evidence that air pollution is a major public health concern, not just for respiratory health, but also for brain health”, lead author of the study. “This has significant implications for public policy and underscores the urgent need to reduce air pollution levels globally.”