Is excessive hygiene at home harmful to health?

Is excessive hygiene at home harmful to health?

Excessive hygiene can be counterproductive to our overall health… This is what UK researchers in England concluded by saying that “highly sanitized homes destroy our immune systems”.

The study's lead author, Graham Rock, an expert in microbiology at College London, said that "for more than 20 years, there has been a general narrative that daily household cleaning is necessary to stop exposure to pathogens, but in fact it also prevents us from beneficial organisms." “.

Science Alert also quoted him as saying, "In this paper, we uncover the clear conflict between the need to clean to keep us free of pathogens, and the need for certain microbes to fill our guts and establish our immune and metabolic systems."

In the research paper published in the "Journal of Allergy and Clinical Immunology", the researchers stress that microbes are very important to us, as our bodies need beneficial bacteria, including the intestines, skin and lungs.

The hygiene hypothesis specifically relates to early exposure to certain microbes in early childhood that evolved with humans to help develop a strong immune system, particularly in relation to allergies and other immune disorders.

In the new paper, which is a review of the previous literature, the researchers agree that "a very clean home is detrimental to immunity."

It is reported that infants develop a microbial system from birth, which is first cultivated by their mothers, and then concentrated mostly by family members and their environment.

Microbes from individuals shed and mingle, creating a microbiome home that is often shared by those who live together (pets included).

Exposure to our mothers and family members, the natural environment, and vaccines can provide all the microbial inputs we need, said Rock. However, he added that intelligently targeted cleaning “does not contradict the idea that the study wants to develop.”

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