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Can you make enough vitamin D using a full spectrum 10,000 lux light box and if so, how much skin would you have to expose and for how long?

Asked by  nessparr on November 27, 2014

  •  nessparr on

    See title

    Answered by  nessparr on
  •  John Cannell, MD on

    Such light boxes make no vitamin D

    Answered by  John Cannell, MD on

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