Researchers from Peking University School of Public Health in China found that exposure to air pollution increases the risk of stroke and dementia. Additionally, living in an area with poor ecology may increase the likelihood of developing dementia due to acute circulatory disorders in the brain. results published in Clinical Medicine (ECM).
The study involved 413,372 people whose health information was provided by the British Biobank, the largest repository of human biological samples. Researchers evaluated the degree of air pollution in the areas where participants lived. Scientists sought to determine the levels of pollutants such as PM2.5 and PM10 particulate matter, as well as nitrogen dioxide. After completing the information gathering phase, the researchers began observing the participants for less than 11 years.
During the follow-up period, 3813 subjects developed dementia and 6484 suffered a stroke. Some participants were diagnosed with both conditions; 238 participants with stroke developed dementia, and 138 participants with dementia developed stroke. It turns out that living in an area with a high concentration of PM2.5 and nitrogen dioxide in the air contributes to the development of both pathologies. Additionally, exposure to these pollutants was associated with an increased risk of dementia within one year and five years after stroke.
The mechanisms underlying this relationship remain to be investigated.
Previous scientists used DNA data guess Maximum life expectancy of humans.
Source: Gazeta
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