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Dated: 5 January 2006
On the one hand, farmed salmon has more heart-healthy omega-3 fatty acids than wild salmon. On the other hand, it also tends to have much higher levels of chemical contaminants that are known to cause cancer, memory impairment and neurobehavioral changes in children. What's a consumer to do?
In general, a new study shows that the net benefits of eating wild Pacific salmon outweigh those of eating farmed Atlantic salmon, when the risks of chemical contaminants are considered—although there are important regional differences.
"For a middle-aged guy who has had a coronary and doesn't want to have another one, the risks from pollutants are minor ones, and the omega-3 benefits him in a way that far outstrips the relatively minor risks of the pollutants," says Steven Schwager, Cornell associate professor of biological statistics and computational biology and an expert in sampling design and statistical analysis of comparative data. "But for people who are young, they're at risk of lifetime accumulation of pollutants that are carcinogenic; or pregnant women, with the risks of birth defects and IQ diminution and other kinds of damage to the fetus, those risks are great enough that they outweigh the benefits."
The study is published in the November 2005 issue of the Journal of Nutrition.
Stick to wild salmon unless heart disease is a risk factor
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thanks to strong international performance.
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The Rewe Group has been given the go-ahead to takeover 328 Plus stores from Tengelmann in Germany. The German anti-trust body, Bundeskartellamt, has unconditionally approved the acquisition by the country's second-largest food retailer.
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