Sign up now
to enroll in courses, follow best educators, interact with the community and track your progress.
100 lessons,
4h 52m
Effects of Ultraviolet on humans
10,302 plays

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

Unacademy Bytes
Daily Trivia

Unacademy user
what whould be the last flowering perious of strobilanthus kunthiana? ncert says 2006 but actual is 2018 ??
a month ago
Maybe u hv the older version
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