The climate change might impact our immune systems, a groundbreaking study from the University of Bergen, Norway, shows.
This research brings into focus the intricate interplay between environmental factors, microbial communities, and their potential impact on human health.
With the climate changes in mind, the findings are offering insights that could shape our living spaces and our health for generations to come.
In the study, conducted across five Nordic cities, researchers have delved into the intricate world of indoor microbial communities, shedding light on their connection to human health.
The investigation, encompassing 1038 households, underscores the pivotal role of occupants and environmental determinants in shaping the airborne bacterial microbiome found in indoor dust.
Researchers observed that diverse microbial exposure has been inversely linked to the risk of asthma and atopy development.
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Building upon this knowledge, the study highlighted that protective “farm-like” microbiota, associated with lower asthma and atopy risk, exhibited a higher abundance of specific outdoor-associated bacterial taxa.
Intriguingly, these same taxa were less prevalent in homes in Bergen, where higher precipitation and reduced wind speeds impede their entry indoors.
Considering the impending impact of climate change, the research team drew attention to a critical implication.
As global warming is expected to intensify precipitation patterns, the wet deposition of outdoor particulates would increase and outdoor bacteria entry to indoor could decrease.
Consequently, fewer outdoor bacteria might contribute to indoor microbiomes. This shift could have unintended consequences for immune health, potentially compromising the development and maintenance of a tolerogenic immune status.
“This groundbreaking research brings into focus the intricate interplay between environmental factors, microbial communities, and their potential impact on human health”, Hesham Amin, Researcher at the Faculty of Medicine, University of Bergen says.
“The findings serve as a clarion call for continued investigation into the delicate balance between our indoor surroundings and our well-being. As we navigate an ever-changing world, understanding the nuances of our indoor microbiome takes center stage, offering insights that could shape our living spaces and our health for generations to come”.
