| Asthma is a disease that consists of two
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| | particles can include pollen and dust
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| main components. These components are
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| | particles, which are the main cause of
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| constriction and inflammation, both of
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| | asthma attacks among sufferers. If indoor
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| which occur in the lung passageways.
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| | air pollutants are not removed from the
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| Constriction is when the airways narrow
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| | air, they can circulate an indoor room
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| because muscles tighten around them and
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| | with no escape. The pollutants are then
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| inflammation is when the airways get
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| | breathed in and can cause a severe or
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| irritated and start to swell. When both
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| | minor asthmatic attack. With an air
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| of these actions occur together, they
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| | purifier, these particles and pollutants
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| cause the symptoms of asthma such as
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| | are absorbed and cannot be circulated
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| difficulty breathing and swelling of the
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| | throughout the air.
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| lungs. A person experiencing an asthmatic
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| | What is a 'HEPA' filter?
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| attack has difficulty catching his or her
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| | A 'HEPA' filter is a kind of mechanical
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| breath and is usually coughing or
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| | filter that means it's a "
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| wheezing in order to try to breathe.
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| | high-efficiency particulate air" filter.
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| Asthmatic attacks can occur at any time.
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| | HEPA was invented during World War II to
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| Some can be severe and some can simply
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| | prevent the escape of radioactive
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| seem like a shortness of breath. Due to
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| | particles from laboratories. To qualify
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| this characteristic of the disease, some
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| | as a true HEPA filter, it must be able to
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| people are still unaware that they have
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| | capture at least 99.97% percent of all
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| asthma and need to treat it. If asthma
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| | particles 0.3 microns in diameter, or
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| goes untreated, a person may experience a
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| | larger, that enter it.
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| decrease in lung function. The disease
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| | In a 1990 review of indoor air
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| makes a person's lungs work harder and
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| | pollutants, published by The American
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| without help or treatment from an outside
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| | Thoracic Society, it was stated that air
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| source, a person suffering from asthma
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| | purifiers containing the HEPA filter are
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| will have weaker lungs. Air Purifiers
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| | able to remove a significant amount of
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| can help.
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| | particles from indoor air, making the air
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| There are many contaminants in the air
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| | cleaner and safer to breathe. Asthmatics
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| that can be asthma triggers. Some of the
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| | who use an air purifier in their home are
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| contaminants include pet dander,
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| | less likely to have an asthma attack
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| allergens, pollen, dust or chemicals.
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| | since the pollutants that trigger the
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| When these substances are breathed in,
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| | attacks are no longer present in the
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| asthmatics are sometimes affected and can
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| | indoor air they are breathing.
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| experience difficulty breathing. An
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| | There is no known cure for asthma and
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| asthmatic affected by seasonal allergies
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| | people diagnosed with the disease will
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| may also find that response to the
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| | have to deal with it for the rest of
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| allergies can lead to an asthmatic
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| | their lives. However, with the help of
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| attack. The toxins found in indoor air
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| | air purifiers, people are finding their
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| can easily be filtered out of the air
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| | asthma attacks are becoming a scarce
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| indoors with an air purifier.
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| | occurrence instead of a daily struggle.
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| There are simple things that can be done
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| | By eliminating particles in the air that
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| to prevent asthmatic attacks such as
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| | trigger attacks, air purifiers are
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| keeping pets outside, not smoking tobacco
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| | helping people with asthma to cope with
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| products in the home or dusting all
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| | their daily lives. Asthma may be an
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| furniture as much as possible. However,
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| | uncomfortable disease but people are
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| air purifiers are proven to be the most
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| | finding relief in the use of air
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| effective way to keep indoor air clean
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| | purifiers.
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| and safe. Most air purifiers are proven
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| | Ozone generators [not recommended - these
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| to remove 99.7% of all particles found in
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| | types of "filters" are not reliable since
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| indoor air. Chemical fumes, tobacco smoke
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| | their ozone levels usually exceed
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| and dust can be absorbed into the filter
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| | acceptable levels]. Although ozone
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| of an air purifier. With these
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| | technically clears the air of some
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| contaminants no longer present in the
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| | particles, most groups do not recommend
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| air, the probability of an asthma attack
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| | these. (Note: these are not ion-type
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| is very low for the sufferer.
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| | filters; see "Electronic Filters" above.)
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| The High Efficiency Particulate Air
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| | These devices all exceed the acceptable
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| Filters, or HEPA filters, that are used
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| | level for ozone.
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| in air purifiers are effective in
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| | If you have concerns about any air filter
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| absorbing most toxins in indoor air that
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| | you own or are planning to buy, remember
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| can be related to asthma attacks. They
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| | to talk to your doctor first, to find out
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| are able to remove 99.7% of all particles
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| | if air filtration -- and what type -- is
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| that are 0.03 microns and larger. These
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| | best for you.
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