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The Dual Nature of Sunlight
This chapter examines the complex role of sunlight in human health, emphasizing both its benefits, such as vitamin D production, and its risks, including skin cancer. It highlights the evolutionary adaptations in our biology to manage sunlight exposure and the implications of varying UVB exposure in different environments. The discussion also reveals the nuanced relationship between sun exposure, melanoma incidence, and the importance of a balanced approach to sunlight intake.