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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

    The impact of ultraviolet radiation on human health has implications for the risks and benefits of sun exposure and is also implicated in issues such as fluorescent lamps and health. Getting too much sun exposure can be harmful, but in moderation, sun exposure is beneficial.

  4. Ultraviolet index - Wikipedia

    en.wikipedia.org/wiki/Ultraviolet_index

    Average UV at noon 1996-2002 (European Space Agency) The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn-producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public.

  5. UV radiation vs. chemicals in sunscreen: Which is a bigger ...

    www.aol.com/mineral-sunscreen-chemical-sunscreen...

    The link between sun exposure and skin cancer is well established. Ultraviolet radiation is thought to cause up to 95% of basal and squamous cell carcinomas, and between 70-95% of melanomas in ...

  6. Far-UVC - Wikipedia

    en.wikipedia.org/wiki/Far-UVC

    The location of 'far-UVC' radiation (200-235 nm) in the electromagnetic spectrum. Far-UVC is a type of ultraviolet germicidal irradiation being studied and commercially developed for its combination of pathogen inactivation properties and reduced negative effects on human health when used within exposure guidelines.

  7. Why the U.S. surgeon general wants cancer warning ... - AOL

    www.aol.com/news/why-u-surgeon-general-wants...

    That makes it a bigger risk factor than exposure to UV radiation, poor diet, and infections from pathogens like hepatitis and the human papillomavirus. (For the sake of comparison, 19.3% of U.S ...

  8. UVB-induced apoptosis - Wikipedia

    en.wikipedia.org/wiki/UVB-induced_apoptosis

    One of the largest promoters of apoptosis is exposure to ultraviolet (UV) light. While UV light is essential to human life it can also cause harm by inducing cancer, immunosuppression, photoaging, inflammation, and cell death. [1] Of the various components of sunlight, ultraviolet radiation B (UVB) (290-320 nm) is considered to be the most harmful.

  9. Sunburn - Wikipedia

    en.wikipedia.org/wiki/Sunburn

    Sunburn is a form of radiation burn that affects living tissue, such as skin, that results from an overexposure to ultraviolet (UV) radiation, usually from the Sun.Common symptoms in humans and other animals include red or reddish skin that is hot to the touch or painful, general fatigue, and mild dizziness.

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