The dust mite is a microscopic arachnid that does not bite humans.
Allergens from the house dust mite are a major source of indoor allergies.
It needs a humid environment to thrive and it is found in upholstery, bedding and carpeting.
It feeds on human and animal dander (dead skin, hair).
House Dust Mite-wikipedia
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Allergy to outdoor molds is a more common cause of asthma than pollen allergy.
Molds are fungi that are made up of multicellular filaments which are called hyphae.
Some molds can grow on grasses, rotting logs or fallen leaves. Spores from molds are spread by wind outdoors.
An allergic reaction is caused by spore inhalation. Mold allergy symptoms are the same as those of other allergies.
Mold allergy symptoms can include :
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Molds are saprophytic fungi which require high humidity and moisture to survive.
Molds produce allergens that can cause allergic reactions.
Some molds also produce mycotoxins that are toxic substances
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Mouse allergens are found in mouse dander and in mouse urine which is easily aerosolized and will be found in indoor air.
The majority of U.S. homes have detectable levels of mouse allergen.
About 25% of inner city children with asthma have evidence of sensitization to mouse allergens.
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An Allergy…
is a disorder of the immune system often also referred to as atopy. Allergic reactions occur to normally harmless environmental substances known as allergens.
Cockroach allergen can be found in high concentrations on floors and flat surfaces.
Up to 40% of urban children children are allergic to cockroach allergens.
Studies have shown that 3% of living room floors and 10% of kitchen floors have cockroach allergen concentrations levels associated with asthma morbidity.
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