“…A meta-analysis [5] mentioned that household members who work in Pb contaminated environments or engage in particular hobbies can carry Pb to their houses through clothes or shoes they used at work. This supports the results of studies that found occupational exposure to be the most potent risk factor correlated with increased levels of chromium (Cr), cadmium (Cd), and Pb [27] . In this study, medical consultations revealed no symptoms related to chronic Pb toxicity whilst the concentrations are lower than those reported by Uruguayan children (4.2 ± 2.1 µg/dL) [37] .…”