Like all other allergies, allergy symptoms caused by mold also occur due to over sensitive human immune system. When an individual inhales small, airborne spores of mold, his or her body identifies them as foreign bodies. This results in formation of antibodies that eventually cause allergic reactions. After this, even if you are no more exposed to molds, you will still be producing antibodies, which will remember these foreign particles. Thus, any further exposure to the mold will result in similar allergic symptoms. Mold allergy triggers the secretion of a substance called histamine and the affected person develops symptoms like runny nose, watery and itchy eyes, sneezing etc.
Mold allergy is more common among people who live in a damp environment. Damp walls and basements are ideal habitat for moulds. Water seepage in rainy season, leaking pipes, flood damage etc often makes a house damp. The chance of getting affected by mold allergies is even more for people who stay in such surroundings from a very early age.
It has been also found that people living in a house having poor ventilation often experience this allergy. Individuals who belong to professions like farming, logging, dairy work, millwork, carpentry, baking, winemaking and greenhouse work also have high risk of getting affected by mold allergy.
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