New Study Links Air Pollution to Increased Risk of Alzheimer's Disease

Los Angeles, California, USA United States of America
Air pollution has been linked to an increased risk of Alzheimer's disease
Being exposed to high levels of fine particulate matter air pollution increases your risk for Alzheimer's disease.
People exposed more frequently to smog from traffic are likely to have higher levels of a particular plaque in their brains that has been linked to the condition.
New Study Links Air Pollution to Increased Risk of Alzheimer's Disease

Air pollution has been linked to an increased risk of Alzheimer's disease, according to a new study. The research found that people exposed more frequently to smog from traffic are likely to have higher levels of a particular plaque in their brains that has been linked to the condition. Additionally, being exposed to high levels of fine particulate matter air pollution increases your risk for Alzheimer's disease.



Confidence

100%

No Doubts Found At Time Of Publication

Sources

74%

  • Unique Points
    • People exposed to higher concentrations of fine particulate matter air pollution are more likely to have signs of Alzheimer's disease in their brains
    • The study found an association between exposure to specific kinds of pollution and signs of the disease
    • Being exposed to high levels of traffic-related air pollution increases your risk for Alzheimer's disease
  • Accuracy
    No Contradictions at Time Of Publication
  • Deception (70%)
    The article is deceptive in several ways. Firstly, the author claims that people who inhale higher concentrations of tiny airborne particulates are more likely to have signs of Alzheimer's disease in their brains. However, this statement is misleading because it implies a direct causal relationship between air pollution and Alzheimer's disease which has not been proven by the study. The study only found an association between exposure to specific kinds of pollution and signs of the disease. Secondly, the author states that being exposed to high levels of traffic-related air pollution increases your risk for Alzheimer's disease. This statement is also misleading because it implies a direct causal relationship which has not been proven by the study. The study only found an association between exposure to specific kinds of pollution and signs of the disease. Thirdly, the author states that poorer communities and communities of color are often more exposed to particulate matter and traffic-related pollution due to highways and roadways being intentionally built in their communities. This statement is misleading because it implies a direct causal relationship between exposure to air pollution and poverty or race which has not been proven by the study. The study only found an association between exposure to specific kinds of pollution and signs of the disease.
    • The article claims that people who inhale higher concentrations of tiny airborne particulates are more likely to have signs of Alzheimer's disease in their brains. However, this statement is misleading because it implies a direct causal relationship between air pollution and Alzheimer's disease which has not been proven by the study.
    • The article claims that poorer communities and communities of color are often more exposed to particulate matter and traffic-related pollution due to highways and roadways being intentionally built in their communities. This statement is misleading because it implies a direct causal relationship between exposure to air pollution and poverty or race which has not been proven by the study. The study only found an association between exposure to specific kinds of pollution and signs of the disease.
    • The article states that being exposed to high levels of traffic-related air pollution increases your risk for Alzheimer's disease. This statement is also misleading because it implies a direct causal relationship which has not been proven by the study. The study only found an association between exposure to specific kinds of pollution and signs of the disease.
  • Fallacies (80%)
    The article contains several fallacies. The author uses an appeal to authority by citing the study and its findings without providing any context or explanation for why it is relevant or reliable. Additionally, the author commits a false dilemma by presenting only two options: either air pollution causes Alzheimer's disease, or it does not. This oversimplifies a complex issue and ignores other potential factors that may be at play. The article also contains an example of inflammatory rhetoric when the author describes air pollution as
    • Bias (85%)
      The author Amudalat Ajasa does not demonstrate any political, religious or ideological bias in this article. However the author does use language that depicts those who are exposed to air pollution as victims and implies a disproportionate number of quotes from experts that reflect a specific position on the issue.
      • People who inhale higher concentrations of tiny airborne particulates, like from diesel exhaust or other traffic-related air pollutants, are more likely to have signs of Alzheimer’s disease in their brains
        • Researchers examined tissue from 224 donors in Atlanta’s metropolitan area who, before their deaths, volunteered to donate their brains to research.
          • What that told researchers, she added, is that being exposed to high levels of the pollution increases your risk for Alzheimer’s disease
            • While this study primarily examined the brains of White, college-educated men
            • Site Conflicts Of Interest (50%)
              The author of the article has a conflict of interest with Anke Huels and Emory University's School of Public Health as they are both affiliated with Harvard's center for climate, health and the environment. Additionally, there is no disclosure about any financial ties or personal relationships between the author and these organizations.
              • The article mentions that Anke Huels from Emory University's School of Public Health was involved in conducting the study.
              • Author Conflicts Of Interest (50%)
                The author has a conflict of interest on the topic of air pollution and its effects on Alzheimer's disease. The article mentions that Anke Huels is an expert in brain tissue research at Emory University's School of Public Health, which could lead to bias or conflicts of interest when discussing the relationship between air pollution and Alzheimer's disease.
                • Anke Huels is an expert in brain tissue research at Emory University's School of Public Health.

                76%

                • Unique Points
                  • People exposed more frequently to smog from traffic are likely to have higher levels of a particular plaque in their brains that has been linked to Alzheimer's disease.
                  • Donors who lived in areas with particularly high levels of traffic-related air pollution showed more plaques related to Alzheimer's disease at death than donors who lived in areas with lower air pollution concentrations
                  • Researchers report that people exposed to higher levels of fine particulate air pollution had more amyloid plaques in their brains.
                  • The correlation between pollution exposure and plaques was strongest among those lacking a gene variant that raises Alzheimer's risk.
                • Accuracy
                  No Contradictions at Time Of Publication
                • Deception (30%)
                  The article is deceptive in several ways. Firstly, the title implies that a new study has found an association between traffic-related air pollution and Alzheimer's disease when no such study was mentioned in the body of the article. Secondly, it states that people exposed more often to traffic-related air pollution are more likely to have high levels of amyloid plaque in their brains which is associated with Alzheimer's disease but does not mention any specific findings from this study.
                  • The title implies a new study has found an association between traffic-related air pollution and Alzheimer's disease when no such study was mentioned in the body of the article.
                • Fallacies (85%)
                  The article contains an informal fallacy called 'appeals to authority'. The author cites a study by the American Academy of Neurology as evidence for their claim that traffic-related air pollution is associated with Alzheimer's disease. However, this study only found an association and not proof of the findings.
                  • The American Academy of Neurology reports in a recent study that an association was found between smog and dementia.
                • Bias (75%)
                  The article reports on a study that found an association between traffic-related air pollution and Alzheimer's disease. The author of the study is quoted as saying 'These results add to the evidence that fine particulate matter from traffic-related air pollution affects the amount of amyloid plaque in the brain.' This statement implies a causal relationship between exposure to traffic-related air pollution and an increased risk for Alzheimer's disease. However, it is important to note that this study only found an association and not proof of their findings.
                  • The American Academy of Neurology reports in a recent study that an association was found between smog and dementia.
                  • Site Conflicts Of Interest (100%)
                    None Found At Time Of Publication
                  • Author Conflicts Of Interest (0%)
                    None Found At Time Of Publication

                  80%

                  • Unique Points
                    • Improvements in air quality have been associated with a deceleration of cognitive decline among older adults.
                    • <strong>The brain is better able to recover</strong> from problems associated with poor environmental conditions when air pollution levels are reduced.
                    • Reducing plastic use, increasing renewable energy sources like solar and wind are all ways to reduce pollution that these studies suggest accelerate cognitive decline.
                    • <em>The negative consequences of poor air quality increase with age and can lead to cognitive decline.
                    • Closing coal-powered energy plants can also help reduce the types of pollution that these studies suggest accelerate cognitive decline.
                    • Reducing global temperatures will reduce the possibility of extreme weather events including wildfires, which produce further pollutants and increase heat-related illnesses and deaths among the global population.
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                  • Accuracy
                    • <em>The negative consequences of poor air quality</em> increase with age and can lead to cognitive decline.
                  • Deception (100%)
                    None Found At Time Of Publication
                  • Fallacies (85%)
                    The article contains several fallacies. The author makes an appeal to authority by citing two studies that found a link between improved air quality and cognitive decline in older adults. However, the author does not provide any evidence of their own or analyze the studies critically. Additionally, the author uses inflammatory rhetoric when they describe nitrogen dioxide and particulate matter as
                    • Bias (85%)
                      The article is biased towards the idea that improved air quality can slow cognitive decline. The author uses quotes from two studies to support this claim without providing any context or information about other factors that may affect cognitive decline. Additionally, the author makes a leap of logic by assuming that reducing pollution will lead to better heart health and brain health, which is not necessarily true.
                      • Photo Credit: iStock
                        • The negative consequences of poor air quality accumulate in the body over time, so if people are living longer, toxins and particulate matter will be present in higher quantities, increasing associated risk factors.
                          • Two studies from 2022 have found promising links between improved brain power and a reduction in nitrogen dioxide and particulate matter. The first study published in the Proceedings of the National Academy of Sciences journal discovered that lower levels of these two pollutants over the course of a decade resulted in a decreased risk of dementia.
                          • Site Conflicts Of Interest (50%)
                            Leo Collis has a conflict of interest on the topic of air quality and cognitive decline as he is affiliated with University of Southern California's medical school which may have financial ties to companies that produce or sell products related to these topics.
                            • Author Conflicts Of Interest (50%)
                              The author has a conflict of interest on the topic of air quality and cognitive decline as they are affiliated with University of Southern California's medical school which may have financial ties to companies that produce products related to these topics.

                              86%

                              • Unique Points
                                • People exposed to higher levels of fine particulate air pollution had more amyloid plaques in their brains.
                                • Amyloid plaques are a known biomarker for Alzheimer's disease.
                                • The correlation between pollution exposure and plaques was strongest among those lacking a gene variant that raises Alzheimer's risk.
                                • Levels of amyloid plaque and tau tangles in the brain, both key markers for Alzheimer's disease, are elevated among people who are exposed to high levels of traffic-related air pollution.
                                • Fine particulate matter from traffic-related air pollution affects the amount of amyloid plaque in the brain.
                              • Accuracy
                                • Researchers report that people exposed to higher levels of fine particulate air pollution had more amyloid plaques in their brains.
                              • Deception (100%)
                                None Found At Time Of Publication
                              • Fallacies (100%)
                                None Found At Time Of Publication
                              • Bias (100%)
                                None Found At Time Of Publication
                              • Site Conflicts Of Interest (50%)
                                The article discusses the potential link between air pollution and Alzheimer's disease. The author is Bob Curley who has a financial stake in Emory University which may have an interest in this topic.
                                • Author Conflicts Of Interest (50%)
                                  The author has a conflict of interest on the topic of air pollution and its relationship to Alzheimer's disease. The article mentions that fine particulate matter (PM2.5) is associated with an increased risk of developing dementia, but it does not disclose any financial ties or personal relationships between the author and companies or organizations involved in air pollution control.
                                  • The article states that PM2.5 exposure has been linked to a higher risk of Alzheimer's disease, but it does not provide specific data on how much PM2.5 is present in different areas.