Background: Recent studies in noise-induced and idiopathic sensorineural hearing loss have suggested that magnesium supplementation may lessen both hearing loss and the severity of tinnitus in patients. Further epidemiological evidence indicates that all age groups of Americans fall short of the recommended daily allowance for magnesium by 100 mg daily.
Purpose: The purpose of this study was to examine any potential benefit in lessening the severity of tinnitus in patients taking supplemental magnesium.
Despite widening efforts to publicly report health care quality data, patients appear to make little use of these data. Several studies indicate patients' interest in physician-level information, but actual use of physician-level data remains unestablished. Using a randomized experimental design, this study evaluates the extent to which use of a Web site offering physician-level data is affected by three parameters: invitation mode (mail vs.
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