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  1. Radiation: Ultraviolet (UV) radiation

    Mar 9, 2016 · The sun is by far the strongest source of ultraviolet radiation in our environment. Solar emissions include visible light, heat and ultraviolet (UV) radiation. Just as visible light consists of …

  2. Ultraviolet radiation - World Health Organization (WHO)

    Jul 24, 2025 · Ultraviolet (UV) radiation covers the wavelength range of 100–400 nm, which is a higher frequency and lower wavelength than visible light. UV radiation comes naturally from the sun, but it …

  3. Rayonnement ultraviolet - World Health Organization (WHO)

    Jun 21, 2022 · Le rayonnement ultraviolet (UV) ne peut être ni vu ni ressenti. Alors que certaines personnes sont exposées à des sources artificielles de rayonnement UV (par exemple en médecine, …

  4. Ultraviolet radiation - World Health Organization (WHO)

    Jun 21, 2022 · Key facts Skin cancers are caused primarily by exposure to ultraviolet radiation (UVR), either from the sun or from artificial sources such as sunbeds. Globally in 2020, over 1.5 million …

  5. Radiation: The known health effects of ultraviolet radiation

    Jul 16, 2024 · UV radiation can cause short- and long-term health effects on the skin. In addition to the well-known short-term effects such as sunburn or allergic reactions, long-term effects like skin …

  6. Rayonnement ultraviolet - World Health Organization (WHO)

    Qu’est-ce que le rayonnement ultraviolet ? Dans notre environnement, le soleil est de loin la source de rayonnement ultraviolet la plus importante. Le soleil émet de la lumière, de la chaleur et des rayons …

  7. Ultraviolet (UV) radiation - World Health Organization (WHO)

    One in every three cancers diagnosed is a skin cancer. The main factor that predisposes to the development of skin cancer is exposure to ultraviolet (UV) radiation, traditionally from the sun and …

  8. Radiation and health - World Health Organization (WHO)

    Solar ultraviolet radiation: Global burden of disease from solar ultraviolet radiation Human exposure to solar ultraviolet radiation has important public health implications. Evidence of harm associated with …

  9. Global solar UV index - a practical guide

    Jun 13, 2002 · The Global Solar UV Index (UVI) described in this document is a simple measure of the UV radiation level at the Earth’s surface and an indicator of the potential for skin damage. It serves …

  10. Radiación: ¿cómo afecta la radiación ultravioleta a la salud?

    El único efecto beneficioso de la radiación ultravioleta, en particular de la UVB, es la estimulación de la producción de vitamina D. Esta vitamina es importante porque mejora la absorción del calcio y el …