Air Pollution Linked to Dementia and Alzheimer’s

While the correlation between air pollution and respiratory complications is well-known, a new scientific study conducted over fifteen years has been published, which shows strong evidence that polluted air can cause cognitive decline, dementia, and Alzheimer’s.

Inhaling polluted air is well-known to cause lung cancer, asthma, allergies, and heart disease, but recent studies show that breathing in polluted air can DOUBLE the risk of dementia, especially in older women. In fact, women aged 65 to 79 exposed to heavier air pollution were four times more likely to experience cognitive decline*. Women with the APOE4 gene (a genetic variant that occurs in 20% of the population and presents an increased risk for Alzheimer’s) combined with exposure to air pollution were 295% more likely to develop Alzheimer’s than the control group*. The link is still being explored to determine the risk quantities and confirm casual causation, but as more research is being conducted, the connection is becoming stronger.

It is not just big cities or highly polluted metropolitan areas that are exposed to these dangerous micro particles. The EPA states “indoor air can be 2 to 5 times more polluted than outdoor air.”* Because Americans “[spend] approximately 90% of their…

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