The U.S. Preventive Services Task Force concluded in an analysis of more than 300 studies that there is no proven benefit for routine screening of patients for early stage dementia, and the panel called for additional research. The report identified eight tools for primary care screening, but the authors said it's not clear whether they should be routinely applied. "There is no empirical evidence on whether interventions affect clinician, patient, or family decision making," Dr. Jennifer Lin and other researchers wrote in the Annals of Internal Medicine.

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