Risk-benefit modeling to guide health research in collaboration with Great Lakes fish consuming Native American communities |
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| Affiliation: | 1. Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI 53226-0509, United States;2. Inter-Tribal Council of Michigan, United States;3. Chippewa Ottawa Resource Authority, United States;1. Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Berlin, Germany;2. DICATAM, Università degli Studi di Brescia, via Branze 43, 25123 Brescia, Italy;1. Daniel P. Haerther Center for Conservation and Research, John G. Shedd Aquarium, 1200 South Lake Shore Dr., Chicago, IL 60605, USA;2. Purdue University, Department of Forestry and Natural Resources, 195 Marstellar St., West Lafayette, IN 47907, USA;3. Illinois-Indiana Sea Grant, 195 Marstellar St., West Lafayette, IN 47907, USA;4. University of Wisconsin-Milwaukee, School of Freshwater Sciences, 600 E Greenfield Ave., Milwaukee, WI 53204, USA;5. U.S. Fish and Wildlife Service, Green Bay Fish and Wildlife Conservation Office, 2661 Scott Tower Dr., New Franken, WI 54229, USA;7. Michigan Department of Natural Resources, Charlevoix Fisheries Research Station, 96 Grant St., Charlevoix, MI 49720, USA;8. SUNY Brockport, Department of Environmental Science and Ecology, 350 New Campus Dr., Brockport, NY 14420, USA;1. Department of Geoscience, University of Wisconsin Madison, 1215 West Dayton Street, Madison, WI 53706, USA;2. Wisconsin Geological and Natural History Survey, University of Wisconsin Madison, 3817 Mineral Point Road, Madison, WI 53705, USA;3. Department of Geography, Environment, and Spatial Sciences, Michigan State University, Geography Building, 673 Auditorium Rd, East Lansing, MI 48824, USA;4. Department of Geological Engineering, University of Wisconsin Madison, 1415 Engineering Drive, Madison, WI 53706, USA;1. Department of Geology, University of Cincinnati, Cincinnati, OH, USA;2. Environment and Climate Change Canada, Canada Centre for Inland Waters, Burlington, Ontario, Canada;3. Department of Biology, University of Waterloo, Waterloo, Ontario, Canada;4. Skidaway Institute of Oceanography, Savannah, GA, USA |
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| Abstract: | It is well documented that fish consumption imparts both health risks and benefits. Furthermore, fish harvest and consumption are an essential part of Great Lakes Native American cultures. Quantitative models that compare risk and benefits to potential consumption scenarios can help guide future health research as well as consumption advice for potentially sensitive populations. This article presents fish consumption scenarios based on self-reported meal plans constructed by tribal members in eastern upper peninsula and northern lower Michigan Anishinaabe. Two risk–benefit models were applied to these scenarios to estimate the potential neurodevelopmental and cardiovascular risks (either increased or reduced risk) from dioxin-like polychlorinated biphenyls (DL-PCBs), methylmercury (MeHg), and omega-3 polyunsaturated fatty acids (n3-PUFA). All scenarios except maximum exposure estimates (i.e. 25th–75th percentile MeHg, DL-PCB, and n3-PUFA intakes) predicted reduced cardiovascular risk and improved neurodevelopmental outcomes. The greatest predicted benefits (adjusted for risks) occurred at the 75th percentile intake of MeHg, DL-PCB, and n3-PUFA scenarios: 5.0 visual recall memory (VRM) and 4.41 Intelligence Quotient (IQ) benefits, and 28% reduced risk of cardio-vascular disease. Scenarios based on maximum self-reported intake, however, predicted health detriments. These results suggest that most fish consumption scenarios as constructed in collaboration with Native American communities could impart health benefits despite the presence of contaminants. However, high-end consumption estimates warrant caution as well as the need for well-crafted advice. Potential benefits further underscore the value of reducing contamination burdens in Great Lakes fisheries. Future priorities of ongoing contamination monitoring and health research are discussed. |
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| Keywords: | Fish consumption Native Americans Mercury PUFA-3 Polychlorinated biphenyls |
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