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An ad hoc expert committee will undertake a study to assess current relevant data and update as appropriate the Dietary Reference Intakes (DRI) for vitamin D and calcium. The review will consider vitamin D in relation to the reduction in risk of cancer and other chronic diseases as well as the evidence related to vitamin D and bone health. It will also incorporate systematic evidence-based reviews of the literature and an assessment of potential indicators of adequacy and of excess intake.
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TRB Annual Meeting
January 11 - 15, 2026 | The TRB Annual Meeting brings together thousands of transportation professionals worldwide for sessions across all modes and sectors.