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2. Health effects of sunlight exposure - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_sunlight...

   [43] [failed verification] UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes adverse effects that can variously be mutagenic or carcinogenic. [44] Despite the importance of the sun to vitamin D synthesis, it is prudent to limit the exposure of skin to UV radiation from sunlight [45] and from tanning beds. [46]

3. Ultraviolet - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet

   UVC is the highest-energy, most-dangerous type of ultraviolet radiation, and causes adverse effects that can variously be mutagenic or carcinogenic. [65] In the past, UVA was considered not harmful or less harmful than UVB, but today it is known to contribute to skin cancer via indirect DNA damage (free radicals such as reactive oxygen species ...

4. Electromagnetic radiation and health - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_radiation...

   The Sun's UV output is divided into UV-A and UV-B: solar UV-A flux is 100 times that of UV-B, but the erythema response is 1,000 times higher for UV-B. [citation needed] This exposure can increase at higher altitudes and when reflected by snow, ice, or sand. The UV-B flux is 2–4 times greater during the middle 4–6 hours of the day, and is ...

5. 10 health warnings your nails may be sending you - AOL

   www.aol.com/article/2015/11/16/10-health...

   White Lines Across Nails. LittleThings/Heeral Chhibber Also dubbed "Muehrcke's lines," these double white lines run horizontally across the nails, and are typically most clearly seen on the index ...

6. The 13 Best UV Lamps for Nails to Dry Your Polish in Minutes

   www.aol.com/lifestyle/13-best-uv-lamps-nails...

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7. Melanoma - Wikipedia

   en.wikipedia.org/wiki/Melanoma

   Melanoma is the most dangerous type of skin cancer. [2] Globally, in 2012, ... UV nail lamps, which are used in nail salons to dry nail polish, are another common and ...