These two seasons are most conducive to dust mites, to the chagrin of allergy sufferers. Science & Avenir list 7 things to know to know them better and get rid of.
1) ubiquitous in our daily
The mites feed consists essentially dead skin, nail debris, hair … So naturally they are found where humans reside, whether at home, at work or in public transport. They are between 0.1 and 0.6 mm. Impossible to detect with the naked eye. Yet, colonies of several million mites nestle everywhere in our daily (bedding, pillows, mattress, but also chairs and mats).
2) The more certain seasons
It was understood, mites are present every day of the year. But they are however more numerous in autumn and winter. The wetter, lack of aeration and the use of heating promote their proliferation.
3) Short life but rapid reproduction
The mites do not live long: 2-3 months. But they reproduce very quickly when conditions are favorable, that is to say, a wet and a rather high temperature environment (26 ° to 32 °).
4) 2,000 mites in one gram of dust
A mattress can contain up to 1.5 million house dust mites. Knowing that two milligrams of mites per gram of dust can be enough to cause an allergic reaction, it’s pretty impressive.
5) The most common cause of respiratory allergies
Dust mites are the most common cause of respiratory allergies, before grass pollens. The mite allergy is related to two things: the proteins present in the faeces of the mites and dust their bodies. The mites are allergenic so even after their death.
6) Up to 85% of asthmatics are allergic to dust mites
For children and adults with asthma, chronic exposure indoor allergens such as dust mites, also generates disturbances in lung function. Moreover, we do not always know that it is allergic. Indeed, in a recent survey, 57% of respondents had symptoms of an allergy to dust mites, but only 15% of them were diagnosed.
7) Fortunately, avoidance measures exist
Reduce humidity in the house, avoid heating the bedrooms to over 18 ° C, remove rugs and carpeting, ventilate all parts dwelling every day for 30 minutes, wash bedding at over 60 ° C, to regularly vacuum … so many tips to avoid maximum proliferation of mites in the house.