Age-related changes in our immune system can make us more prone to allergies as we get older. Allergies are the body’s reaction to a perceived threat, and our immune system can become less effective at recognizing and responding to these threats as we age. Additionally, our immune system can become more sensitive to allergens, leading to more severe reactions.
Immune System Changes
As we age, our immune system undergoes changes that can lead to an increased risk of allergies. The thymus, a gland responsible for producing T-cells that are essential for fighting infection, begins to shrink after the age of 20. This decrease in T-cells can put us at greater risk for allergies, as our bodies are less able to recognize potential threats. Additionally, a decrease in B-cells, which help to regulate the body’s inflammatory response, can cause the body to overreact to allergens.
Increased Sensitivity
Older individuals may also become more sensitive to allergens, leading to more severe reactions. This increased sensitivity can be caused by a decrease in the production of cytokines, which help to regulate the body’s inflammatory response. Additionally, older individuals may become less tolerant of allergens due to a decrease in specific IgE antibodies, which can increase the body’s sensitivity to allergens.
Environmental Factors
In addition to age-related changes, environmental factors can also play a role in the development of allergies. Exposure to certain allergens, such as dust mites, mold, and pet dander, can increase the risk of developing allergies. Additionally, exposure to certain pollutants can also increase the risk of allergies.
Prevention
While it is not possible to completely prevent allergies, there are steps that can be taken to reduce the risk. Allergens should be avoided as much as possible, and the home should be kept clean and free from dust and other irritants. Additionally, medications such as antihistamines can be used to reduce the severity of symptoms.
