TY - CHAP M1 - Book, Section TI - Photosensitivity and Other Reactions to Sunlight A1 - Marneros, Alexander G. A1 - Bickers, David R. A2 - Loscalzo, Joseph A2 - Fauci, Anthony A2 - Kasper, Dennis A2 - Hauser, Stephen A2 - Longo, Dan A2 - Jameson, J. Larry Y1 - 2022 N1 - T2 - Harrison's Principles of Internal Medicine, 21e AB - Sunlight is the most visible and obvious source of comfort in the environment. The sun provides the beneficial effects of warmth and vitamin D synthesis. However, acute and chronic sun exposure also has pathologic consequences. Cutaneous exposure to sunlight is a major cause of human skin cancer and can have immunosuppressive effects as well. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/18 UR - accessmedicine.mhmedical.com/content.aspx?aid=1190476034 ER -