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Increased Risk of Kidney Stone Recurrence With Supplemental Calcium
Cleveland, OH—
Although eating foods high in calcium is protective against kidney stones, calcium supplements may increase the risk of stone recurrence, according to a recent study. Researchers at the Cleveland Clinic Lerner College of Medicine reviewed 24-hour urine collections and CT scans from patients with a history of kidney stones. Of the 6,050 patients, 1,486 were taking supplemental calcium. Patients who took calcium supplements had lower total calcium and oxalate concentrations in the urine; however, they also had a faster rate of kidney stone growth, suggesting that the mechanism of calcium supplementation in stone formation is complex. It was concluded that supplemental calcium, unlike dietary calcium, may worsen stone disease in patients known to form kidney stones. |
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Brief Counseling May Curb Risky Drug Use
Los Angeles, CA—
A brief intervention in the primary care setting could reduce risky drug use (casual, frequent, or binge use of illicit drugs or misuse of prescription drugs without signs of addiction). Participants in Project QUIT, a randomized, controlled trial conducted in medical clinics, reduced their risky drug use by one-third when primary care physicians and health coaches provided brief interventions during routine visits and follow-up phone calls. After 3 months, intervention patients (n = 171) used their favored drug a mean of 3.5 fewer days in the past month, compared with controls (n = 163). Since risky drug use can develop into drug addiction, this method could help fill an important gap in care for patients who use drugs. |
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Metabolic Syndrome Related to Vitamin E Deficiency
Columbus, OH—
People with metabolic syndrome—one in three Americans—absorb dietary vitamin E less effectively than healthy people, a study conducted at Ohio State University has determined. In the study, which included 10 healthy subjects and 10 with metabolic syndrome, the bioavailability of vitamin E was nearly three times higher when a glass of cow's milk (with or without fat) was consumed at the same time as the natural form of vitamin E found in foods. It was also found, however, that subjects with metabolic syndrome absorbed less vitamin E than healthy subjects did. This is of concern because it demonstrates that people with metabolic syndrome probably receive less benefit from vitamin E's antioxidant properties, according to the researchers. |
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