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.
The most common causes of dandruff that people find: 1  Skin irritation: This can be caused by hair products, environmental contaminants and more. 2  Over- or under-washing the scalp: Stripping your scalp of its natural oils can cause an imbalance, leaving the scalp too dry or increasing its production of oil to compensate.