CAD - Canadian Dollar. Our currency rankings show that the most popular Canada Dollar exchange rate is the USD to CAD rate. The currency code for Dollars is CAD, and the currency symbol is $.
1 Once they take hold, mold and mildew shed tiny spores -- and these spores trigger indoor allergy symptoms.  Pet Dander: If you have pet allergies, youâre not actually allergic to cat or dog hair. Instead, the allergic reaction is caused by a tiny protein in an animalâs saliva. Even homes without pets may contain dander. Thatâs because pet dander is sticky and light.
1. dander-small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people. exfoliation, scurf, scale-a thin flake of dead epidermis shed from the surface of the skin.. dander-small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people. exfoliation, scurf, scale-a thin flake of dead epidermis shed from the surface of the skin.