This is unpublished Solar power: why sunlight exposure may help prevent some autoimmune diseases but precipitate others March 19, 2021 DOM Grand Rounds Pinned Department of Medicine Grand Rounds Keith Elkon, MD Professor, Division of Rheumatology Head, Division of Rheumatology Adjunct Professor, Department of Immunology Mart Mannik, MD-Lucile T. Henderson Endowed Professor in Rheumatology University of Washington