Summer sun: Know the danger zone

By Mayo Clinic Staff

Be smart when it comes to sun protection. The sun's rays are most damaging between 10 a.m. and 4 p.m. Schedule outdoor activities for other times of the day, even in winter or when the sky is cloudy. If you must be outdoors during these peak hours, seek shade whenever possible.

Dec. 15, 2020 See more In-depth

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  12. Have dark skin? You still need sunscreen
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  18. Self-tanners: Are they safe?
  19. Skin biopsy
  20. Skin cancer
  21. Infographic: Skin Cancer
  22. Skin care tips
  23. Melanoma pictures to help identify skin cancer
  24. Sun damage
  25. Spray tanning? Hold your breath
  26. Sunless tanning tips
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  28. Tanning beds
  29. Skin cancer — How skin cancer develops