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Dehumidifiers & Asthma

Updated April 17, 2017

Asthma, a growing condition among people today, causes the lungs to shut down under certain conditions. Allergens in the air can cause a possibly fatal asthma attack. Keeping your home environment at the correct humidity levels can ensure the best breathing quality and lessen your chances for an asthma attack.

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Humidity Level

Houses with the best breathing environments contain a humidity level of 40 to 45 per cent. Any higher or lower and problems will creep up and cause various breathing problems.

Dust Mites

Dust mites, one potential cause of an asthma attack, reproduce best in humid climates. By using a dehumidifier to keep the climate at the right humidity you can reduce the prevalence of dust mites and keep your asthma under control.


Too much humidity causes mould to grow. By running a dehumidifier you can keep the chances of mould in your household to a minimum.


This device reports the percentage of humidity in the air around you. It can prove useful in your home to know when you should turn on your dehumidifier, leave the environment alone or put out a humidifier.

Too Dry?

If the air in your home gets too dry (drops way below the 40 to 45 per cent humidity level), your throat could dry up and prevent you from breathing well. Dry levels could even dry out your sinuses and cause an infection.

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About the Author

Colby Stream

Colby Stream has been a writer since 2007. His work has appeared in "The Arbiter," the student newspaper of Boise State University, as well as various websites. Stream graduated with a Bachelor of Arts in communication as a presidential civic leadership scholar.

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