1.   And allergy sufferers can buy air cleaners of all types and sizes, as well as vacuum cleaners that prevent house dust from escaping back into the air.

2.   For more than five years, the tape sat in his house gathering dust.

3.   Sure enough, testing revealed that Sean is allergic to house dust, which caused his perpetual runny nose.

4.   The components of house dust have changed through time.

5.   The majority of house dust is composed of human skin, says Burge.

6.   The year-round kind, also called indoor allergies, are most often triggered by house dust, mold, dust mites and pet dander.

7.   Doctors in the past have reported him allergic to house dust, mold spores, cat dander and pollen.