Authors' conclusions:

frequent use of household cleaning products in the home in early infancy is associated to an increased risk of wheezing and asthma in children, but not of atopy, at three years, showing a possible inflammatory effect in the respiratory tract, not an allergic acquired response.

Reviewers' conclusions:

the study results suggest that the use of cleaning products is associated with a higher incidence of recurrent wheezing and asthma in one in three children at the age of three years. But the medium level of quality of the study leaves the question open for further research, to try to clarify if common cleaning products could be preparing respiratory tract for future allergies.

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