Large amounts of a specific type of bacteria, most likely from outdoors, may decrease the child's risk of developing asthma, reports a new study. The findings of the study are published in the Journal of Allergy & Clinical Immunology.
This was shown by the Finnish Institute for Health and Welfare's (THL) new study that analyzed the microbiota in over 400 Finnish homes.
Asthma
It''s a lung condition characterized by inflammation of the bronchi and constriction of the airways that result in coughing, wheezing or breathlessness. Allergy and other airway irritants can trigger it
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‘Exposure to specific outdoor microbes protects against asthma. Hence, exploring nature with children more often can increase microbial exposure and decrease asthma risk.’
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However, the study was unable to identify individual bacterial taxa that provide protection against asthma.
It remains unclear why exposure to microbes protects against asthma. Earlier studies have found that high diversity of microbes is of particular importance in protecting against asthma.
![Tests for Asthma]( "Tests for Asthma")
Do you find it difficult to breathe especially during the cold weather? You may need to get tested for asthma, a respiratory condition that is induced by allergies.
THL's study, published in June, also showed that farm-like microbiota of the child's home protected children from asthma also in urban homes.
Finns spend 90% of the time indoors - contact with natural microbiota has decreased
On average, Finns spend 90% of the time indoors and more and more often in an urban environment. This means less contact with natural microbiota. The diversity of bacteria protects against asthma, but certain soil microbes protect even more effectively.
"In this study, we identified certain groups of bacteria found in soil that protect against asthma. These groups of bacteria provided more effective protection against asthma than the previously observed diversity of microbiota," says Anne Karvonen, Senior Researcher at THL.
"If we want to develop products that protect against asthma, such as microbes that you can bring home or place on the skin, it would have been helpful to identify individual asthma-protective bacteria. However, our results help to restrict the bacteria that should be studied more." Increased contact with nature is beneficial.
"We could explore nature with children more often and play in nature instead of urban playgrounds covered with rubber. With regard to microbial exposure, it is important to have contact with nature in our everyday lives," says Karvonen.
Source: Eurekalert
Tests for Asthma
Do you find it difficult to breathe especially during the cold weather? You may need to get tested for asthma, a respiratory condition that is induced by allergies.
Advertisement
THL's study, published in June, also showed that farm-like microbiota of the child's home protected children from asthma also in urban homes.
Finns spend 90% of the time indoors - contact with natural microbiota has decreased
On average, Finns spend 90% of the time indoors and more and more often in an urban environment. This means less contact with natural microbiota. The diversity of bacteria protects against asthma, but certain soil microbes protect even more effectively.
"In this study, we identified certain groups of bacteria found in soil that protect against asthma. These groups of bacteria provided more effective protection against asthma than the previously observed diversity of microbiota," says Anne Karvonen, Senior Researcher at THL.
"If we want to develop products that protect against asthma, such as microbes that you can bring home or place on the skin, it would have been helpful to identify individual asthma-protective bacteria. However, our results help to restrict the bacteria that should be studied more." Increased contact with nature is beneficial.
"We could explore nature with children more often and play in nature instead of urban playgrounds covered with rubber. With regard to microbial exposure, it is important to have contact with nature in our everyday lives," says Karvonen.
Source: Eurekalert
Childhood Asthma
Childhood asthma is a condition that affects airways in children and interferes with their daily activities including play, sports, school and sleep.
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 ‘STOP’ for Asthma – World Asthma DayWorld Asthma Awareness day is observed on the first Tuesday of May every year across the world to raise awareness about asthma and support persons with asthma and their families to cope better with the condition. | Advertisement
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