A recent study finds that maternal supplementation with the probiotic L. reuteri mitigates the harmful effects of perinatal exposure to a widely used toxic chemical in mouse offspring. The research team says the mechanism of action likely works by promoting gut microbiome health and diversity. Nutrition Insight speaks to researchers from the University of California, Riverside (UCR), US, to learn how the damaging effects of polybrominated diphenyl ethers (PBDEs) can be countered while revealing affordable solutions for those socioeconomically disadvantaged.