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Lead (Pb) exposure and elevated stress are co-occurring risk factors. Both impact brain mesolimbic dopamine/glutamate systems involved in cognitive functions. We previously found that maternal stress can potentiate Pb-related adverse effects in offspring at blood Pb levels averaging approximately 40μg/dl. The current study of combined Pb exposure and stress sought to extend those results to lower...
Elevated lead (Pb) exposures preferentially impact low socioeconomic status (SES) populations, the same groups thought to sustain the highest levels of environmental stress. As co-occurring risk factors, therefore, Pb and stress could interact, a possibility further supported by the fact that both act on mesocorticolimbic dopamine systems of the brain. We recently demonstrated in rats that maternal...
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