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Food

Fish

NEWS:

Benefits of Fish Exceed Risks, Studies Find

Good Fish, Bad Fish

In a Bad Mood? Eat Your Fish

Fish Consumption May Be Linked to Reduced Cognitive Decline "Eating fish once per week can reduce the risk of Alzheimer's disease, and this effect is probably mediated through higher intake of omega-3 polyunsaturated fatty acids and DHA.Fish consumption at least once per week can slow the rate of cognitive decline in older adults. This effect is attenuated somewhat when adjusting for fat intake."

Fish in diet may help maintain heart rhythm "Eating tuna or other broiled or baked fish appears to have a beneficial effect on the electrical system of the heart, which may help prevent life-threatening heart rhythm disorders, according to a new report. Previous reports have linked fish intake with a reduced risk of sudden death and irregular heart beats, but the mechanisms responsible for this association were unknown. However, evidence from animal studies has suggested a direct effect from fish oil intake on the hearts electrical circuitry. . Intake of fried fish was not associated with any ECG changes."

Fish Not a Proven Heart Protector: Study

Higher mercury levels found in imported tuna "Many imports of canned tuna have mercury levels higher than the federal limit, according to analysis by an environmental group. . Defenders of Wildlife found the highest levels of mercury in tuna from Ecuador and Mexico - countries known for setting nets where they see dolphins to catch large tuna swimming below. Traces of mercury are found in nearly all fish and shellfish. Released through industrial pollution, mercury falls and accumulates in streams and oceans as methylmercury. Methylmercury builds up in fish and shellfish as they feed, in some types more than others."

Is That Wild Salmon Really Wild? "Attention fish shoppers: Some "wild" salmon may actually come from a farm. . Consumer Reports' staff also bought two "organic" salmon fillets containing no mention of whether they came from a farm or the wild. Both were farm-raised. There are no federal standards for organic fish, the magazine points out."

Lake Trout Get Smoked "When a forest burns, a lot of mercury goes up in smoke. The neurotoxic element--found naturally in soil and vegetation--blows away, often traveling hundreds or thousands of kilometers. Yet some of this mercury can also stick around by washing into nearby lakes, where it ends up in fish."

No canned tuna, magazine warns pregnant women "Pregnant women should not eat canned tuna because it may contain harmful levels of mercury, Consumer Reports magazine said Monday, taking a more cautious approach than that recommended by the U.S. government."

Not all fish are equal in vitamin D content: Wild-caught salmon best, but frying in oil reduces levels of the nutrient "They measured the vitamin D content in seafood provided by a local distributor. Compared with wild-caught salmon, farmed salmon contained only about 25 per cent of the vitamin D; farmed trout, bluefish and swordfish about 50 per cent; and cod, grey sole, haddock, squid and clams less than 10 per cent."

Oily fish and omega 3 fat supplements

Oily fish may reduce prostate cancer spread: study

Skip the sushi-it may be bad for you "Big-eyed tuna and blue and yellow-finned tuna are the most popular varieties used in sushi restaurants. Older and bigger fish are considered best suited for sushi but Saddler said it was not widely known that fish with longer lives carry more mercury than others. Studies show seafood like shrimp and salmon with short life spans pose almost no risk of carrying mercury."

Study Finds Wild Salmon Imperiled by Farmed Salmon "A team of Canadian scientists has found the most direct evidence yet that baby salmon pick up fatal infections of sea lice while swimming past salmon farms in British Columbia's Broughton Archipelago, and that the more salmon farms the more baby salmon die."

Study: Eating Fish Helps Protect Eyesight "The proper balance of essential fatty acids was crucial to preventing eye disease in the study, Seddon said. The men who ate not only more omega-3 fatty acids, but also fewer omega-6 fatty acids, found in vegetable oils and baked goods, got the most benefit."

ARTICLES:

Nutrition From The Deep

JOURNAL ARTICLES:

Contaminant exposure in outmigrant juvenile salmon from Pacific Northwest estuaries of the United States. (Environ Monit Assess. 2006)

Dietary Fish and n-3 Fatty Acid Intake and Cardiac Electrocardiographic Parameters in Humans (J Am Coll Cardiol, 2006) "BACKGROUND: Fish consumption may reduce the incidence of sudden death and atrial fibrillation, possibly related to anti-arrhythmic effects."

Epizootics of wild fish induced by farm fish. (Proc Natl Acad Sci U S A. 2006)

Fish intake and serum fatty acid profiles from freshwater fish (American Journal of Clinical Nutrition 2006)

Intake of fish and long-chain n-3 fatty acids and the risk of coronary heart mortality in men and women. (Br J Nutr. 2006) "In conclusion, our results for women are in line with the suggested protective effect of fish consumption against CHD but a similar association was not, however, found in men."

Intake of Fish and n3 Fatty Acids and Risk of Coronary Heart Disease Among Japanese. The Japan Public Health Center-Based (JPHC) Study Cohort I (Circulation 2006)

Maternal Fish Consumption, Mercury Levels, and Risk of Preterm Delivery (EHP 2006) " The greatest fish source for mercury exposure appeared to be canned fish. Compared with women delivering at term, women who delivered before 35 weeks' gestation were more likely to have hair mercury levels at or above the 90th percentile …"

Mercury in fish available in supermarkets in Illinois: Are there regional differences. (Sci Total Environ. 2006) "One key question was whether the concentrations of mercury in fish available locally were similar to those reported in other areas of the country and in the FDA U.S. national data base. Such information is critical for the public, especially pregnant women or those planning on pregnancy, making decisions about types and quantities of fish to consume. Some fish are available generally throughout the U.S., but others are more locally available, suggesting a need for site-specific information. . there are enough variations between the local data (Chicago) and the FDA data to warrant periodic local monitoring of commercial fish to provide up-to-date information to consumers about mercury in the fish they eat."

Oily fish reduces plasma triacylglycerols: a primary prevention study in overweight men and women (Nutrition 2006) "Two portions of oily fish per week led to significant reductions in TAG relative to consumption of two portions of white fish per week. Changes in TAG were maximized when combined with lower LA:LNA."

Toenail mercury and dietary fish consumption. (J Expo Sci Environ Epidemiol. 2006) " . toenail total mercury concentration was best predicted by total finfish and shellfish consumption."

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