How air pollution can wreak havoc on your mental health, explains DrSamoonAhmad
To better understand how these pollutants can affect mental health requires an understanding of how the body responds to stressors. Homeostasis is a tendency exhibited by all organisms to maintain a stable state of equilibrium or dynamic balance. Homeostasis operates at multiple levels, including at the levels of individual cells, tissue compartments, and specific systems within an organism. This includes the immune system, the focus of this post.
In most cases, the body is protected from foreign substances by the skin and epithelial cells lining our digestive and reproductive tracts. When foreign substances, known as antigens, get past these defenses, they are identified by cells within the body’s immune system, and then neutralized, thereby restoring homeostasis. Antigens may be a pathogen , an allergen, or a toxin.
In most cases, antigens are neutralized locally and do not require the mobilization of additional resources from the immune system. However, when the localized response is not enough, aresponse may be initiated to eliminate the antigen. If the stress response is not sufficient to return the body to homeostasis, this may trigger an inflammatory response.
Ordinarily, inflammation is not problematic; it is a healthy response to antigens and the body’s most intensive mechanism for restoring homeostasis. However, if the body is constantly under stress because of consistent exposure to antigens like air pollutants, this can lead to, which can then lead to insidious forms of tissue damage as elevated levels of immune cells put wear and tear on the body.
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