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.
Causes and Prevention of Demodectic Mange in Dogs. Causes of Demodectic Mange. Demodicosis in dogs is caused by tiny parasitic mites of the species, Demodex canis. These mites live deep inside the hair follicles and sebaceous glands of the skin of host dogs.