- They do not. But they do remove the household
allergens that do cause asthma.
- Asthma is mostly an inherited condition, triggered
like an allergy. Indoors, the most common allergic triggers are the
feces and skin of house dust mites; the flakes of human and animal skin
that dust mites eat, and mold spores.
- On Britain's Isle of Wight, a team with the University
of Southampton showed that by removing allergens from around a child
during its first year of life, you reduce the child's lifetime risk
of getting asthma symptoms by up to 75%.
- In fact, the Isle of Wight team told mothers
not to vacuum; it was healthier to have dirty carpets, than to have
cleaner carpets and contaminated air!
- Central vacuums, however, remove allergens because
allergens are exhausted outdoors instead of back into the indoor air
as with portable vacuums.
- In North America, the EPA and Canada's CMHC both
have suggested centrals as the vacuum of choice for health reasons,
and most indoor air technicians choose centrals.
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