In this study, the researchers analyzed the microbiome of 757 babies based on the microbes present in their fecal matter. They also determined how often disinfectants and other household cleaning products were used in their home. Results showed that frequent use of disinfectants significantly altered the gut flora. This was exhibited by the increased levels of Lachnospiraceae bacteria in fecal matter. Moreover, children from homes that frequently use disinfectants also had a higher body mass index when they grew older….