How does the sun affect people with dark complexions?

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Related HowStuffWorks Articles


  • Kotz, Deborah. "Time in the Sun: How Much Is Needed for Vitamin D?" U.S. News. June 23, 2008. (accessed 08/17/2009)
  • National Cancer Institute. "African-Americans Can Get Skin Cancer: This Summer, Protect Yourself." (accessed 08/17/2009)
  • Zelman, Kathleen, M. "Are You Getting Enough Vitamin D?"