Word: cancers
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...omega-3 fatty acids, the healthy fats found in salmon and flaxseed, which studies indicate may help prevent heart disease and bolster the immune system. Ground beef and milk from grass-finished cattle also have more conjugated linoleic acid (CLA), which recent data suggest may help prevent breast cancer, diabetes and other ailments. Moreover, grass-finished meat is higher than grain-finished meat in vitamin A and vitamin E, two antioxidants thought to boost resistance to disease. "Grass-fed meat is beef with benefits," says nutritionist Kate Clancy, author of a recent Union of Concerned Scientists (UCS) report...
...like a winning strategy for a country that's 66% overweight or obese, but are sugar substitutes in fact good for you? The scientific record is less than absolute. Past studies of saccharin and aspartame, packaged as Sweet'n Low and Equal, respectively, suggested that large doses could cause cancer in rats, although human studies have shown no such link. The Food and Drug Administration says these high-intensity sweeteners--along with sucralose (Splenda)--pose no threat to human health. Most nutrition experts are willing to go along with that--with caveats. "I suspect that if there were anything...
...hundreds of compounds found in food, investigators have begun to tease apart some of the more complex interactions between your diet and your DNA. In the process, they hope eventually to give consumers more personalized advice about what to eat and drink to stave off heart disease, cancer and other chronic conditions of aging. "We are trying to put more science behind the nutrition," says Jose Ordovas, a geneticist at the Friedman School of Nutrition at Tufts. "We want to finally understand why nutrients do what they do and to whom--why a low-fat diet may not work...
...coating can break down and release a chemical called perfluorooctanoic acid, or PFOA. The fumes can be fatal to pet birds. In humans, DuPont acknowledges, they can cause a reversible flulike condition called polymer-fume fever, first noted in the company's labs. In animals, though, PFOA can cause cancer, immune-system damage and death. And about 95% of all Americans have traces of PFOA in their blood...
...researchers aim to change that, with an interactive Web-based tool that they are calling the roulette wheel. This color-coded visual model uses a computer algorithm to help patients and their doctors assess the possible outcomes of different treatments. Take the prostate-specific-antigen (PSA) test for prostate cancer, for example. The wheel for PSA screening shows a typical patient the potential harm (incontinence, impotence, death) or benefit (no symptoms) that could result from treatment following a PSA test in which high levels of the antigen are found. Another wheel shows probable outcomes if he opts against the test...