Dust in homes, offices, and other human environments contains human skin cells, small amounts of plant pollen, human and animal hairs, textile fibers, paper fibres, minerals from outdoor soil, and many other materials which may be found in the local environment. Insects and other small fauna found in houses subtly interact with dust and may have adverse impact on the health of humans.
Dust may worsen hay fever. Circulating outdoor air through a house by keeping doors and windows open, or at least slightly ajar, may reduce the risk of hay fever-causing dust. In colder climates, occupants seal even the smallest air gaps, and eliminate outside fresh air circulating inside the house. So it is essential to manage dust and airflow.
House dust mites exist on all indoor surfaces and even suspended in the air. They feed on minute particles of organic matter, the main constituent of house dust. Dust mites flourish in the fibers of bedding, furniture, and carpets. They excrete enzymes to digest the organic particles, and excrete feces, that together become part of the house dust, and may irritate allergies.
Alternately, the hygiene hypothesis posits that the modern obsession with cleanliness is as much a problem as house dust mites. The hygiene hypothesis argues that our lack of prior pathogenic exposure may in fact encourage the development of ailments including hay fever and asthma.
Let's act like I wrote that wiki article.
Lol.
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