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Fast Facts:  The terms "linseed oil" and "flaxseed oil" are used interchangeably.Flax is recommended for low oxalate diets.Flax is the richest plant source of Alpha-Linolenic Acid (ALA). ALA is the parent omega-3 fatty acid that stabilizes membranes, has a local anti-inflammatory effect on skin tissues and is known to ease joint pain.Numerous studies have indicated that consuming at least a gram a day of omega-3 fatty acids can halve the risk of sudden death from heart attacks.BUY NOW! || Our Products || About Sila || Sila Organic Flax Oil || Sila Milled Organic Flax with Lecithin || Focus on Fats || Health & EFA's || Links || References || Recipes || E-mail us at sales@silanutrition.com |
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CSNN students click here for lecture overheads.In the news... |
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Diabetes from plastic? A chemical called bisphenol-A commonly used in dental sealants, sturdy microwavable plastics, linings for metal food-and-beverage containers, baby bottles and numerous other plastic products may increase a person's risk of diabetes. The study, reported in Environmental Health Perspectives, found that the compound acts on recently discovered estrogen receptors on pancreatic cell surfaces to boost insulin secretion in mice. Repeated exposure produced insulin resistance, a pre-diabetic state in which tissues lose their sensitivity to insulin. Previous animal studies have also suggested that exposure to bisphenol-A early in life causes obesity. Science News Online Is it safe to eat salmon? The potential cancer risks of eating salmon containing toxic chemicals outweigh the benefits of fish's heart-friendly omega-3 fatty acid content, according to a new report from U.S. researchers. The detailed report published in The Journal of Nutrition calculates that a maximum of six meals a year of farmed Atlantic salmon should be considered safe. The research team warned that farmed salmon are contaminated by more than a dozen cancer-causing chemicals, including PCBs, dioxins and the pesticide dieldrin. The cumulative risk over a 70-year lifespan is 24 times the acceptable level set by the U.S. Environmental Protective Agency, which is boosting the chances of death from cancer by one case in 100,000. The Toronto Star Farm sea lice plague wild salmon University of Alberta researchers found that the spread of parasitic sea lice from salmon farms to wild salmon is a far bigger problem than previously thought. Researchers studying a salmon farm in Canada found that infection levels in wild juvenile salmon near the farm were 73 times higher than normal. Sea lice are crustacean parasites that can also affect fish, placing both wild and farmed salmon at risk. The scientists studied 5,500 young wild salmon over 37 miles of their migration route in British Columbia, Canada. Juvenile salmon carried almost no sea lice prior to reaching the vicinity of a single farm, then became heavily affected as they approached it. At such high infection rates, the lice feed on the fish at rates greater than the fish can feed itself, literally eating the fish alive. Similar effects have been reported in Scotland, Norway and Ireland. BBC News Chemicals in plastics "harming unborn boys" Common chemicals used in plastics products as diverse as cosmetics, toys, clingfilm and plastic bags may harm the development of unborn baby boys, according to scientists in the US. It has long been known that high levels of substances called phthalates, which are used to make plastics more pliable, have feminizing effects on male animals, rendering a lower sperm quality and infertility. The new study suggests that even normal phthalate levels can disrupt the development of male babies' reproductive organs. The study, carried out by scientists from centres across the US including the National Centre for Environmental Health and the University of Rochester. One way that phthalates, which are ubiquitous, get into the bloodstream is when they seep into food from plastic packaging. According to University of Missouri-Columbia scientist, Fred vom Saal, "Every aspect of male identity is altered when you see this in male animals", noting that levels of agression, parenting behaviour and even learning speeds were affected. The study will be published in the journal Environment Health Perspectives. The Guardian High Carb diet linked to breast cancer risk Women who ingested a majority of their caloric intake from carbohydrates demonstrate a higher breast cancer risk than women with balanced diets, according to a recent study. Of the 1,866 women in the study, those deriving 57 percent or more of their total energy intake from carbohydrates had double the breast cancer risk compared to women with balanced diets. Researchers from the Instituto de Salud Publica in Cuernavaca, Mexico and the Harvard School of Public Health in Boston suggest that the link between carbohydrates and cancer may be related to elevated levels of insulin and insulin-linked growth factor binding proteins in the blood. In particular, sucrose and fructose demonstrated the strongest association with breast cancer risk. The scientists suggest that eating sweets and starches cause a rapid rise in the body's blood sugar levels. This in turn causes insulin production and triggers a biological process causing cells to proliferate, influencing carcinogenesis. Carbohydrates encompass unprocessed, fibre-rich foods such as vegetables and fruits as well as highly processed foods including baked goods, such as cookies, biscuits, crisps and muffins. Women with a high soluble fibre intake had a lowered breast cancer incidence. Soluble fibre is found in seeds, legumes, vegetables, fruits and whole grains. Scientific American Victory for opponents to GMO foods Monsanto has announced that they are shelving plans to develop a genetically modified form of wheat to resist the herbicide Roundup. The Canadian government decided to end a project with the Monsanto to develop the wheat in January. A spokesperson with the Canadian Wheat Board said that Agriculture Canada was responding to consumer concerns. Europe is strongly opposed to genetically modified wheat, with some countries threatening to stop buying Canadian wheat if it is developed. Since 1998, the European Union has banned the import of new GM crops to 15 EU states. CBC News.  Lifecycle of a computerThe total fossil fuels used to make one desktop computer weigh over 240 kg (528 lbs), some 10 times the weight of the computer itself, according to United Nations University researchers. This contrasts with many other goods, such as the automobile or the refrigerator, where the fossil fuels needed for their production are roughly equal to their weights. In addition, 22 kg of chemicals and 1500 kg of water are used. In a new book entitled "Computers and the Environment: Understanding and Managing their Impacts" (Ruediger Kuehr & Eric Williams, eds.), the environmental impacts associated with using fossil fuels (e.g. climate change), chemicals (e.g. possible health effects on microchip production workers) and water (e.g. scarcity in some areas) are explored. The authors reveal that consumers' decisions about how to use and dispose of their PCs have an enormous effect on envirnomental impacts and they encourage consumers to divert old PCs from landfills by extending their life or donating them to charities. Most PCs are stored in basements, closets and eventually end up in landfills. In total, consumers have bought more than a billion computers since the first desktops rolled off the world's assembly lines, and The world now buys more than 130 million PCs every year. CBC Radio/The Current. Exercise linked to improved mental abilities in older adults Being in shape seems to benefit the brain in aging people. Dr. Arthur F. Kramer of the Beckman Institute at the University of Illinois at Urbana-Champaign found that older adults can maintain and enhance cognitive and brain function with modest amounts of aerobic exercise. "By increased fitness we are not talking about going from a sedentary lifestyle to running a marathon but instead to walking a couple of miles a few times a week," he told Reuters Health. Previous animal studies have shown that aerobic excercise improves blood flow in the brain and encourages new neurons to form, increasing the number of connections, or synapses, that form between neurons. Dr. Kramer's study is available in the online edition of the journal Proceedings of the National Academy of Sciences. Reuters. Mercury in tuna prompting US tougher advisory Concerns about mercury poisoning in tuna is prompting the US government to consider whether to warn pregnant women and children to limit their consumption of fresh, frozen and canned tuna. Health Canada already warns people from ingesting fresh and frozen tuna more than once a week, and only once a month for children and pregnant women. The U.S. Food and Drug Administration has released new data suggesting that albacore canned tuna contains almost three times the mercury content than cheaper, or light, canned tuna. Given this new research, Health Canada is now considering adding canned tuna to their advisory. CBC News. Fast food can be as addictive as hard drugs: new research Consumption of fast food can trigger chemical reactions in the brain which can lead to overeating, according to researchers at Rockefeller University in New York. The researchers found that eating large quantities of fat and sugar cause biochemical changes in the brain that are similar to addictive reactions caused by taking drugs such as heroin and cocaine. The finding may explain why many people struggle to revert to a healthy diet after ingesting fast or processed food, which often leads to obesity. Regularly eating fast food could reconfigure the body's hormonal system to crave more fatty food, say the researchers. Early exposure to fatty food as a child increased the liklihood later in life. The number of people who are clinically obese has soared to over 300 million worldwide, with an estimated 2.5 million dying every year from being overweight. The Independent.  This page is best viewed with Internet Explorer
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