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Dietary supplement use has steadily increased over time since the 1970s; however, no current data exist for the U.S. population… Expand CONTEXT
Despite concerns about drug safety, current information on older adults' use of prescription and over-the-counter… Expand We reviewed interventions that affect maternal and child undernutrition and nutrition-related outcomes. These interventions… Expand Methods available for the measurement of antioxidant capacity are reviewed, presenting the general chemistry underlying the… Expand Data from the 1999-2000 National Health and Nutrition Examination Survey, a nationally representative, cross-sectional survey of… Expand OBJECTIVE
To conduct a systematic review of the published literature on the efficacy and safety of herbal therapies and vitamin… Expand Cardiovascular disease and cancer are ranked as the first and second leading causes of death in the United States and in most… Expand Background Dietary supplements that contain ephedra alkaloids (sometimes called ma huang) are widely promoted and used in the… Expand We have developed a conceptual framework and a set of research guidelines for use in studies of the chronic fatigue syndrome. The… Expand BACKGROUND
Although disuse of skeletal muscle and undernutrition are often cited as potentially reversible causes of frailty in… Expand