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Does Pollution Increase Risk Of Dementia?

by | Sep 18, 2023 | Personal Injury

Dementia is a life-changing condition that affects millions of people worldwide. As society continues to deal with this challenge, researchers are investigating new risk factors.

One emerging area of concern is the link between dementia and pollution. Exposure to polluted air could increase the risk of developing this devastating condition.

The threat of air pollution

Air pollution caused by the release of harmful chemicals has become a major concern in our industrialized world. The microscopic particles in polluted air can enter the brain and trigger inflammation and stress. These symptoms have a strong connection to dementia.

Toxic chemicals in the environment

Aside from air pollution, various environmental toxins have also come under scrutiny. These substances can accumulate in the body over time and potentially harm the brain. Prolonged exposure to these toxins may elevate the risk of dementia and Alzheimer’s disease.

Inflammation and brain damage

When pollution particles enter the bloodstream, they can reach the brain and cause inflammation. This inflammation can lead to damaged nerve cells and disrupt the brain’s normal functioning.

Oxidative stress and cognitive decline

Environmental toxins can lead to oxidative stress in the brain. This occurs when there is an imbalance between free radicals and antioxidants. An imbalance like this can damage brain cells, potentially accelerating cognitive decline.

Research from the University of Michigan finds that fine particle pollution in the air may be responsible for as many as 188,000 dementia diagnoses each year in the United States. Families living in areas with noticeably poorer air quality may have valid reasons to worry about developing dementia in themselves or their loved ones.