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100 lessons,
4h 52m
Effects of Ultraviolet on humans
10,198 plays

In this video find out about both the positive and negative effects of UV rays from sun on humans

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Unacademy user
Keep uploading loved your lecture good explanation in detail every point was covered thanks a lot 👍👌🙏
Sameena Siraj
3 months ago
Thank you so much Ved :)
In case if you could make videos on Bengal Famine and on Ryotwari and Zamindari Systems, it would be great.
the lecture is little faster...
the lecture is little faster...
the lecture is little faster...
the lecture is little faster...
  1. Effects of Ultraviolet ravs on humans

  2. Positive Effects

  3. Ultraviolet Triggers the production of vitamin D reducing the risk of cancer.

  4. Psoriasi:s Also another common benefit of UV is that it helps some skin conditions like Psoriasis

  5. Did you know that it also helps some animals' in their vision and navigation?

  6. UV has positive applications in the fields of disinfection and sterilisation. UV can effectively 'kill' (deactivate or destroy) microorganisms such as viruses and bacteria.

  7. Negative Effects

  8. Did you know that UV is an environmental human carcinogen?

  9. Prolonged exposure to UV or high intensities of UV could damage the tissues of eyes and can cause a burning' of the eye surface, called 'snow blindness' or photokeratitis.

  10. And another eff ct or damage that UV ageing of skin. s causes is, it cause