PMID- 24598815 OWN - NLM STAT- MEDLINE DCOM- 20150113 LR - 20211021 IS - 1932-6203 (Electronic) IS - 1932-6203 (Linking) VI - 9 IP - 3 DP - 2014 TI - Elevated contaminants contrasted with potential benefits of omega-3 fatty acids in wild food consumers of two remote first nations communities in northern Ontario, Canada. PG - e90351 LID - 10.1371/journal.pone.0090351 [doi] LID - e90351 AB - Indigenous communities in Boreal environments rely on locally-harvested wild foods for sustenance. These foods provide many nutritional benefits including higher levels of polyunsaturated fatty acids (PUFAs; such as omega-3) than what is commonly found in store-bought foods. However, wild foods can be a route of exposure to dietary mercury and persistent organic pollutants (POPs) such as polychlorinated biphenyls (PCBs). Here, we show a strong association between the frequency of wild food consumption in adults (N=72) from two remote First Nations communities of Northern Ontario and environmental contaminants in blood (POPs) and hair (mercury). We observed that POPs and mercury were on average 3.5 times higher among those consuming wild foods more often, with many frequent wild food consumers exceeding Canadian and international health guidelines for PCB and mercury exposures. Contaminants in locally-harvested fish and game from these communities were sufficiently high that many participants exceeded the monthly consumption limits for methylmercury and PCBs. Those consuming more wild foods also had higher proportions of potentially beneficial omega-3 fatty acids including eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). These results show that the benefits of traditional dietary choices in Boreal regions of Canada must be weighed against the inherent risks of contaminant exposure from these foods. FAU - Seabert, Timothy A AU - Seabert TA AD - Department of Biology, University of Ottawa, Ontario, Canada. FAU - Pal, Shinjini AU - Pal S AD - Department of Biology, University of Ottawa, Ontario, Canada. FAU - Pinet, Bernard M AU - Pinet BM AD - Indigenous Health Research Group, University of Ottawa, Ottawa, Ontario, Canada. FAU - Haman, Francois AU - Haman F AD - Indigenous Health Research Group, University of Ottawa, Ottawa, Ontario, Canada. FAU - Robidoux, Michael A AU - Robidoux MA AD - Indigenous Health Research Group, University of Ottawa, Ottawa, Ontario, Canada. FAU - Imbeault, Pascal AU - Imbeault P AD - Behavioural and Metabolic Research Unit, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada. FAU - Krummel, Eva M AU - Krummel EM AD - Department of Biology, University of Ottawa, Ontario, Canada. FAU - Kimpe, Linda E AU - Kimpe LE AD - Department of Biology, University of Ottawa, Ontario, Canada. FAU - Blais, Jules M AU - Blais JM AD - Department of Biology, University of Ottawa, Ontario, Canada. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20140305 PL - United States TA - PLoS One JT - PloS one JID - 101285081 RN - 0 (Environmental Pollutants) RN - 0 (Methylmercury Compounds) RN - 0 (Phospholipids) RN - 25167-62-8 (Docosahexaenoic Acids) RN - AAN7QOV9EA (Eicosapentaenoic Acid) RN - DFC2HB4I0K (Polychlorinated Biphenyls) SB - IM MH - Adolescent MH - Adult MH - Animals MH - Animals, Wild MH - Docosahexaenoic Acids/*metabolism MH - Ducks MH - Eicosapentaenoic Acid/*metabolism MH - *Environmental Pollutants MH - Female MH - Fishes MH - Geese MH - Hair/metabolism MH - Humans MH - *Indians, North American MH - Male MH - Maximum Allowable Concentration MH - Meat/*analysis MH - *Methylmercury Compounds MH - Middle Aged MH - Ontario MH - Phospholipids/blood MH - *Polychlorinated Biphenyls MH - Rabbits MH - Risk Assessment MH - Rodentia MH - Young Adult PMC - PMC3943865 COIS- Competing Interests: The authors have declared that no competing interests exist. EDAT- 2014/03/07 06:00 MHDA- 2015/01/15 06:00 PMCR- 2014/03/05 CRDT- 2014/03/07 06:00 PHST- 2013/10/01 00:00 [received] PHST- 2014/01/29 00:00 [accepted] PHST- 2014/03/07 06:00 [entrez] PHST- 2014/03/07 06:00 [pubmed] PHST- 2015/01/15 06:00 [medline] PHST- 2014/03/05 00:00 [pmc-release] AID - PONE-D-13-40254 [pii] AID - 10.1371/journal.pone.0090351 [doi] PST - epublish SO - PLoS One. 2014 Mar 5;9(3):e90351. doi: 10.1371/journal.pone.0090351. eCollection 2014.