Respiratory and allergies
What are respiratory allergies?
Respiratory
allergies occur when the immune system has a negative reaction to some
sort of airborne substance such as dust. Although these substances are
not really a danger to the body, antibodies from the immune system
identify the allergen as a threat. This causes certain cells to release
chemical called histamine, which leads to an allergic reaction. While
each person's allergy symptoms are different, symptoms can affect the
skin, eyes, or airways.
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