A major cause of allergic reactions, dust mites are microscopic members of the spider family that live in rugs, bedding, upholstered furniture and stuffed toys and feed on the tiny flecks of skin we constantly shed. Millions can be found in the average household. It's not the creatures themselves that cause allergic reactions, but the waste they release that then travel through the air. EPA studies of human exposure to air pollutants indicate that indoor air levels of many pollutants may be 2-5 times, and occasion more than 100 times, higher than outdoor levels. Over the past several decades, our exposure to indoor air pollutants is believed to have increased due to a variety of factors, including the construction of more tightly sealed buildings, reduced ventilation rates to save energy, the use of synthetic building materials and furnishings, and the use of chemically formulated personal care products, pesticides, and household cleaners.
Central vacuums make a clean air difference.
March 1985, Vol. Nearly all of these particles are small enough usually to be inhaled and deposited in the lower respiratory tract. Accordingly, they constitute a hazard for patients with asthma as well as those with allergic rhinitis. One government's push for central vacuums. The Swedish government studied a proposal of a nation wide central vacuum subsidization program to offset the rising health care cost of allergy related afflictions among children.