About 82,100 results
Open links in new tab
  1. Radiation: Ultraviolet (UV) radiation

    Mar 9, 2016 · What is UV? Everyone is exposed to UV radiation from the sun and an increasing number of people are exposed to artificial sources used in industry, commerce and recreation. …

  2. Radiation: The known health effects of ultraviolet radiation

    Jul 16, 2024 · UV-A rays have longer wavelengths than UV-B rays, and thus penetrate deeper into the tissue layers of the eye and the skin. UV-A and UV-B rays also differ from each other …

  3. 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 …

  4. Ultraviolet radiation - World Health Organization (WHO)

    Jun 21, 2022 · The Global Solar UV index (UVI), an information tool that describes the level of solar UVR at the Earth’s surface, was developed by WHO, the United Nations Environment …

  5. Radiation: Ultraviolet (UV) radiation and skin cancer

    Oct 16, 2017 · Free application for mobile devices that describes the level of solar UV radiation at a specific location. It also provides time slots when to apply sun protection measures, in an …

  6. Radiation: The ultraviolet (UV) index

    Jun 20, 2022 · What is the UV index? a measure of the level of UV radiation; the values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the …

  7. Global Malaria Programme - World Health Organization (WHO)

    Jan 31, 2018 · Ideally, ultra-violet (UV) lamps should be fitted to enable decontamination by irradiation. However, the use of UV lamps should be restricted to closed working areas, e.g. …

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

    Solar ultraviolet (UV) radiation: exposure and burden of disease Solar ultraviolet (UV) radiation: sunbed regulations If you have any feedback, you are welcome to write it here. If you need to …

  9. 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 …

  10. Mythbusters - World Health Organization (WHO)

    FACT: Hand sanitizers can be used often An alcohol-based sanitizer does not create antibiotic resistance. Unlike other antiseptics and antibiotics, pathogens (harmful germs) do not seem to …