Mercury is a neurotoxin, absorbed primarily through fish consumption. However, the nutritional benefit from omega-3 fatty acids (n-3 FA) may offset the deleterious effects of mercury. Increased n-3 FA have been associated with lower rates of mood disorders. The authors examined neuropsychiatric symptoms among 243 freshwater fish-eaters, with low serum n-3 FA (median = 0.11 mg/mL) and low mercury exposure (median in blood and hair = 2.22 and 0.54 μg/g). They assessed neuropsychiatric symptoms with the Brief Symptom Inventory. The results did not show the expected inverse association between serum n-3 FA and neuropsychiatric symptoms. For men who consumed more than 130 g of alcohol per week, the authors observed a positive association between serum n-3 FA and neuropsychiatric symptoms, possibly reflecting an alcohol-related release of n-3 FA from membranes into blood. They observed a positive relation between hair mercury and neuropsychiatric symptoms solely for women, suggesting that men may respond differently to mercury. © 2008 Heldref Publications.
CITATION STYLE
Philibert, A., Bouchard, M., & Mergler, D. (2008). Neuropsychiatric symptoms, omega-3, and mercury exposure in freshwater fish-eaters. Archives of Environmental and Occupational Health, 63(3), 143–153. https://doi.org/10.3200/AEOH.63.3.143-153
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