Common sources of such particles are pollens, mold spores, animal danders, and house dust.
Allergens that are present through all seasons include animal danders (cats, dogs, horses and other pets, wool and feathers), cosmetics, molds, foods and house dust.
The only "cure" available for inhalant allergy is the administration of injections which build up protective antibodies to specific allergens (pollens, molds, animal danders, dust).
Rid home of indoor plants including mildew and animals which produce dander.
"The combination of corrosive acid and lead means they're just made to leak when landfilled," says Roy Baggett of the Danders
Lead Company in Troy, Alabama.