- Q Dust mites don't fly, so how do they trigger my allergies?
Dr. Mehmet Oz, CardiologyAs much time as you spend in your bed, dust mites, the active ingredient in house dust, spend even more. In just two weeks, a new bed can have two million of these tiny critters shacking up in it. Although you can't see these allergens, their feces is a... Full Answer
- Q What is cat dander?
Dr. Larry Chiaramonte, Allergy & ImmunologyCats are the most common pets in American households and cat dander is the most common cause of asthma. Dander does not come from hair or skin itself, but comes from a protein produced by sweat glands. As cats lick their fur, they coat themselves with a... Full Answer