Today's NewsBites

Half a million lives could be saved over a 10-year period by steadily reducing…

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Low-calorie cranberry juice might be a new weapon in the battle against high blood pressure, according to findings reported at a meeting of the American Heart Association. USDA researchers gave 56 healthy adults without hypertension either 8 ounces twice a day of low-calorie cranberry juice or a placebo beverage. After 8 weeks, the cranberry-juice group showed an average drop of 3 mm Hg in both systolic and diastolic blood pressure, while those sipping the placebo saw no change. The use of low-calorie cranberry juice was significant, researchers commented, because regular cranberry juice can contain high levels of added sugar to counter the berries’ natural tartness. Cranberries, they added, contain “a broad and interesting array” of natural plant flavonoids associated with lower risk of cardiovascular disease.…

Current Articles

Study spotlights downsides of “too much of a good thing.”…

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Research finds no link between calcium intake and coronary artery calcification.…

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Too much iron may contribute to age-related brain diseases.…

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Ask Tufts Experts

 

Sarah L Booth, PhD, director of Tufts’ HNRCA Vitamin K Laboratory, answers, “Blood thinners are among the top 15 drugs prescribed in this country, and adverse drug events for these drugs account for some staggering numbers among the elderly.” People who have been prescribed warfarin, the most common such anticoagulant medication, need to monitor their vitamin K intake because warfarin works by affecting the body’s vitamin K. But Booth goes on, “Although vitamin K is found in numerous green fruits and vegetables, one would have to eat very large amounts to achieve high intakes. Examples would be green peas and kiwi fruits. Most of the vitamin K is in the peel of fruits, such as apples. One popular food item that is appearing more often on the shelves that may be of concern is some of the green seaweed, especially if consumed in large amounts.”

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Does strontium help strengthen bones, and if so what are the sources of strontium?

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I enjoyed your Special Report on potassium (March). Coconut water supposedly has only a few calories and as much potassium in a glass as four bananas. Is this indeed an easy way to ramp up your potassium, and are there any downsides?

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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.

Tufts University Health & Nutrition Letter

For over 25 years, Tufts Healthletter has brought subscribers trustworthy news and real strategies that can add years of healthy living and vigor to life.
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