National Safe Sun WeekWeekMay 18 to 24
Monday, May 18, 2026
In 1903, Niels. Finsen's Therapy. Niels Finsen wins the Nobel Prize in Medicine for his use of ultraviolet light in treating diseases, increasing awareness about the potential risks and benefits of sun exposure
History
Niels Finsen's Therapy. Niels Finsen wins the Nobel Prize in Medicine for his use of ultraviolet light in treating diseases, increasing awareness about the potential risks and benefits of sun exposure
How It's Celebrated
National Safe Sun WeekWeekMay 18 to 24 is observed by recognizing the importance of the day, learning about its background and significance, and sharing awareness with others through conversation and social media. Many people take time to reflect on the meaning of the observance and participate in relevant activities or community events.