Long-term exposure to certain air pollutants, particularly PM2.5, nitrogen dioxide, and soot, has been found to significantly increase the risk of developing dementia. A systematic review analyzed data from over 29 million participants across 51 studies. The study concluded that for every 10 micrograms per cubic meter of PM2.5, the relative risk of dementia increases by 17%, while soot exposure raises the risk by 13%. The findings emphasize the pressing public health concern posed by air pollution and its link to dementia.
Exposure to certain forms of air pollution is linked to an increased risk of developing dementia, with the number of cases expected to rise significantly by 2050.
Research from a systematic review of 51 studies found a significant association between air pollutants such as PM2.5, nitrogen dioxide, and soot and the development of dementia.
For every 10 micrograms per cubic meter of PM2.5, an individual’s relative risk of dementia increases by 17%. Soot exposure raises risk by 13%.
The most common cause of dementia is Alzheimer's disease, affecting around 982,000 people in the UK, characterized by symptoms like memory loss and mood changes.
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