Today's NewsBites

THE US Food and Drug Administration (FDA) is trying to make it easier—for consumers as well as smaller food packagers—to understand label claims for antioxidant and high-potency products. The agency recently published guidelines to help smaller firms comply with these labeling rules, following up on regulations issued in September 2007.…

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THOSE NEW, SMALLER snack packages, designed to help dieters’ willpower, may actually encourage greater consumption, according to European researchers. In a study of 140 undergraduates offered snacks while watching TV, bag size had no effect on the munching of a control group. But when a second group was primed to think about calories— including being weighed in front of a mirror—they were almost twice as tempted by smaller snack bags and, when they did munch, ate nearly twice as much.…

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GRAMS alone don’t mean much to consumers when it comes to trans fat labeling, according to a pair of University of Arkansas studies.…

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Current Articles

After years of being under suspicion as culprits in diverticular disease, nuts, corn and popcorn have been found not guilty by a large prospective cohort study in men. In fact, the men who ate the most nuts and popcorn actually were at reducedrisk of the painful colon condition.…

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Alarge clinical trial has failed to support hopes, based on prior population studies, that B vitamin supplements might help patients who already have coronary artery disease to prevent future heart trouble. It was thought that, by lowering blood levels of an amino acid called homocysteine that’s associated with heart disease, B vitamins could protect heart patients. But while the supplements did lower homocysteine, there was no accompanying benefit in reducing cardiovascular events or mortality.…

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Don’t be intimidated by the figure of 2 1/2 hours a week of physical activity in the new federal exercise guidelines, says Tufts’ Miriam Nelson, PhD, who served as vice chair of the expert panel behind the recommendations. “Any activity is better than nothing. That’s the really important message,” says Nelson, an associate professor at the Friedman School and director of the John Hancock Center for Physical Activity and Nutrition. “Don’t think, ‘I’ll never get there.’ It’s important to take a stepwise approach.”…

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Ask Tufts Experts

 

My doctor has prescribed me Coumadin (warfarin) to fight blood clots. I see that you’re supposed to avoid foods that contain “large amounts” of vitamin K when taking warfarin. Can you offer any more specific guidance as to what “large amounts” means?

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How does microwaving affect the nutritional value of food?

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Do egg yolks really differ from egg whites in terms of raising “bad” (LDL) cholesterol? What’s a safe weekly limit for both parts of the egg?

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Did you know?

High-protein diets make kidneys work harder—an issue for the more than 20 million Americans who have chronic kidney disease but don’t know it.

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