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In This Issue
- It’s written all over your face: To potential mates, your mug may reveal more than you think
- Team spirit: Working together, bacteria and other microbes can accomplish much more than they can alone. Now scientists hope to harness that ability by engineering their own microbial consortia.
- For a big view of inner Earth, catch a few…Geoneutrinos
- This week's table of contents
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Largely ignored so far, dietary boron may play important roles in preventing diseases such as arthritis and prostate cancer. (p. 228)Published: April 14th, 2001; Vol.159 #15Found in: Nutrition -
Scientists are making progress toward inserting genes to cure impotence temporarily. (p. 237)Published: April 14th, 2001; Vol.159 #15Found in: Biology
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A dentist has found three compounds in saliva that could be used to gauge bone loss. (p. 237)Published: April 14th, 2001; Vol.159 #15Found in: Biology
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People with diabetes face a high risk of heart attack and stroke. One apparent culprit is the chronic, low-grade inflammation that they develop. Megadoses of vitamin E can dramatically reduce that inflammation, a new study finds.Ishwarlal Jialal and Sridevi Devaraj of the University of Texas Southwestern Medical Center at Dallas studied 47 men and women with adult-onset, or type II, diabetes and 25 healthy volunteers. The scientists sampled people’s blood before and after each received 1,200 international units of vitamin E daily for 3 months.Before treatment, the 23 people with major diabetes...Published: Tuesday, April 10th, 2001Found in: Biomedicine
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A new optical tool allows physicians to scout for precancerous tissue by analyzing the fluorescent responses of cells when light is shone on them. (p. 214)Published: April 7th, 2001; Vol.159 #14Found in: Technology
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The new EPA administrator has delayed by 60 days the implementation of a final rule issued by the Clinton administration lowering the amount of arsenic allowed in drinking water. (p. 221)Published: April 7th, 2001; Vol.159 #14Found in: Environment
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Most people carry traces of toxic pollutiants, including metals, pesticides, and phthalates. (p. 221)Published: April 7th, 2001; Vol.159 #14Found in: Environment
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As they head for the stomach from the mouth, the carbohydrates in vegetables, breads, fruits, and candy all begin breaking down into simple sugars. According to some studies, carbs with a low glycemic index (GI)—meaning that they are digested slowly—reduce a person’s risk of heart disease and obesity through an as yet unidentified mechanism linked to their effects on insulin (SN: 4/8/00, p. 236). Such low-GI fare may also offer protection against colon cancer, new research finds.Insulin shepherds sugar into cells. The more sugar that’s deposited into the bloodstream at one time, the more insul...Published: Monday, April 2nd, 2001Found in: Nutrition
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Governments may be able to monitor trends in the release and transport of persistent organic pollutants by sampling butter. (p. 205)Published: March 31st, 2001; Vol.159 #13Found in: Environment
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Consuming calcium along with lead limits, and may prevent, the body's absorption of the toxicant. (p. 205)Published: March 31st, 2001; Vol.159 #13Found in: Environment
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Make no mistake: Chocolate is not a health food. Indeed, most portions are loaded with empty calories from sugar and saturated fats.Several studies in recent years, however, have demonstrated that among sweets, chocolate may possess a few nutritional advantages over most calorie-rich alternatives. The latest of these good-news findings is a report that milk chocolate contains tiny amounts of conjugated linoleic acid, or CLA—a relatively low-profile fat that has been winning some big kudos.Most trans fats—ones containing a structural feature that make them solid at room temperature—have a bad r...Published: Monday, March 26th, 2001Found in: Nutrition -
The combustion chemistry of heavy-duty diesel trucks changes with altitude. (p. 189)Published: March 24th, 2001; Vol.159 #12Found in: Environment
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Researchers isolated markers of a cigarette-generated carcinogen in urine of nonsmoking women married to smokers. (p. 189)Published: March 24th, 2001; Vol.159 #12Found in: Environment
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Home / Blogs / Food for Thought / Food for Thought : Soy slashes cancer-fostering hormones (with recipe)Asian women tend to have much lower breast-cancer rates than their Western counterparts--unless they move to Europe or North America. Then the cancer’s incidence in these women begins to match local norms.This observation has suggested that something about the Western way of life, probably diet, promotes cancer--or that something about Eastern diets inhibits the development of breast malignancies. Strong support for the latter comes from a recent study by researchers at the University of Texas Medical Branch in Galveston and Weizmann Institute of Science in Rehovot, Israel.The study showed tha...Published: Monday, March 19th, 2001Found in: Nutrition -
Twelve years ago, scientists uncovered a mechanism to explain why the folk remedy of eating cranberries fights urinary tract infections. It now appears that the medicinal powers of the pucker-inducing berries might extend to breast cancer as well.For years, Najla Guthrie and her colleagues at the University of Western Ontario in London have been exploring anticancer prospects of flavonoids, natural antioxidants, isolated from citrus juices (SN: 5/4/96, p. 287). Because deeply pigmented berries also contain dozens of such compounds--several with suspected anticancer activity--Guthrie recently t...Published: Monday, March 12th, 2001Found in: Nutrition
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