
Getting hooked
Get Hooked is a six-part documentary series following four queer millennial women on fishing excursions across Ontario.
Home | Exploring the case for mercury screening in health care
I’m from northern Ontario, and in 2023, I studied how often healthcare providers were screening for elevated mercury levels in their patients — a study inspired by elevated mercury levels found in several of my fellow anglers and hunters. Mercury is a naturally occurring toxin that bioaccumulates and biomagnifies within its host. In the context of toxicity to humans, we are looking at organic mercury — specifically, methyl mercury which is formed by the transformation of inorganic mercury by aquatic life. It can be initially found in the air, soil, and water before ending up in fish and, eventually, people. Elevated mercury levels in humans are on the rise in Canada, especially in remote areas where a higher consumption of fish occurs. Acute and urgent exposure to methyl mercury can cause serious health issues. However, what the people should be mindful of is the chronic low dose poisoning which can cause kidney damage, liver damage, cognitive issues, and central nervous system damage. All of this sounds scary, but we do have guidelines available. Anyone who is pregnant or may become pregnant and children under 15 should take extra precautions when eating fish. Mercury can impact the health of fetuses, babies, and children at lower levels compared to the general population. Toxin levels vary The Canadian government, in partnership with Health Canada, has an equation for exposure assessment and acceptable fish intake. However, mercury levels differ from lake to lake, and from fish to fish, so we cannot assume one species of fish holds the same amount of mercury in every lake. There are helpful resources such as the Guide to Eating Ontario Fish. Because of the financial cost associated with surveys, and the vast number of waterbodies, data is not available on some lakes and rivers. Travel distance and available scientists are other factors. In the study I conducted in the summer and fall of 2023, it was found that the majority of healthcare providers (midwives, doctors, and nurse practitioners) did not screen specifically for fish consumption in their patients. So, what can we do? We do not have to stop eating fish, but perhaps people that eat fish should be more aware of the risks, eat fewer top predators such as salmon, trout, pike, and walleye, be aware of what lakes may have more organic mercury, and be more open about our fish consumption with health care providers. We
Get Hooked is a six-part documentary series following four queer millennial women on fishing excursions across Ontario.
Read MoreThree Ontario lodges share their favorite shore lunch fish recipes, all cooked over the fire with their own signature flavors and style.
Read MoreGet Hooked is a six-part documentary series following four queer millennial women on fishing excursions across Ontario.
Three Ontario lodges share their favorite shore lunch fish recipes, all cooked over the fire with their own signature flavors and style.
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PO Box 2800 / 4601 Guthrie Dr.
Peterborough, Ontario Canada K9J 8L5
Phone: 705-748-OFAH (6324)
Fax: 705-748-9577
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