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Photo of a mop A study found that these common cleaning products, such as home disinfectants, may affect the child's gut microbiome and increase the risk of obesity later in the life. The researchers followed more than 700 children for the study. ( Michal Jarmoluk | pixabay )
Could household disinfectants contribute to the growing number of overweight or obese children? New study reveals that antimicrobial and antibacterial agents affect the intestinal microbiome.
The surprising discovery was made by researchers at the University of Alberta who studied data from the Canadian Longitudinal Development of Healthy GoGens or CHILD Infants to study the link between cleaning products and overweight children. . They examined the exposure of children to three categories of household cleaners: disinfectants, detergents and environmentally friendly products.
The study was published in Journal of the Canadian Medical Association.
Disinfectants changing intestinal microbiome
The researchers, who followed 727 children, found that frequent use of disinfectants, including baby wipes, increased the risk of obesity in young children. Children in households using disinfectants at least twice a week are likely to have higher levels of intestinal microbes Lachnospiracées, obesity-related bacteria, aged 3 to 4 months compared to families who do not use common household cleaners as frequently.
At age 3, these same children have a higher body mass than those who have not been exposed to intensive use of disinfectants at home as infants.
"We did not just find an association," said lead researcher Anita Kozyrskyj. "Our statistical analysis of" mediation "suggests that an intestinal microbiome enriched with Lachnospiracées early childhood was probably directly responsible for overweight or obesity in children. "
More than 80% of households use cleaning products containing disinfectants at least once a week. Infants in these households may have been exposed to aerosols or, in some cases, to baby wipes containing antibacterial or antimicrobial agents.
The research, however, has not found any connection between changes in the intestinal microbiome of an infant and detergents – another household cleaner commonly used at home.
"We have not found any relationship between detergents, intestinal microbiome change or the risk of obesity, regardless of whether disinfectants were used," added the pediatric professor.
Switch to ecological products
The study also looked at households that use an environmentally-friendly disinfectant and found that children who grew up in these homes have a lower risk of becoming overweight or being obese. . Infants from these foci have lower levels of intestinal microbes Enterobacteriaceae.
However, Kozyrskyj said that there is no evidence that the number of microbes in children's intestines decreased their risk of obesity. Instead, she said parents in homes that use green cleaning products probably also respect health, affecting the child's microbiome at birth and later in childhood.
The researchers could not recommend that parents opt for green cleaning products because the causal link has not been found yet.
Sally Bloomfield, an expert who did not participate in the study, adds that further research is needed before drawing any conclusions. She also stated that not using a disinfectant at home could spread a child.
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