Tuesday, February 26, 2013

Bad Effects of Ultraviolet Radiation(Uv)

1/ What is ultraviolet actinotherapy syndrome?
U ltra V iolet Light Rays
Ultraviolet (UV) rays are hidden rays that are part of the energy that comes from the sun. UV rays can evoke the looks, hair, and genuflect if these parts of the body are not decently saved.
Sunlight contains three types of ultraviolet rays: UVA, UVB, and UVC.
* UVA rays cause unclothe develop and wrinkling, and contribute to skin cancer,
* UVB rays are also dangerous, causing sunburns, cataracts (clouding of the kernel lens), immune system damage, and contributing to skin cancer. 
*UVC rays are the to the highest degree dangerous, but fortunately, these rays are blocked by the ozone layer and dont pee the earth.
2/ Effects of sunglight:
Sunburn : A sunburn develops when the bar of UV exposure is greater than what can be protected against by the skins melanin.  
Skin Cancer: Exposure to UV radiation appears to be the most important environmental factor in the development of skin cancer.  Scientists believe that the increase in skin cancer has resulted from:
* Increased outdoor time.
* Decrease in the measuring rod of clothing worn outdoors.
* Decrease in atmospheric ozone levels.
plaza Damage: UV radiation that can damage tissues of the eye.

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  Results scientist call down that spending long hours in the sun without eye shelter increases the chances of developing eye diseases, including cataracts. Cataracts are a form of eye damage that causes the loss of transparency in the lens, clouding vision.
age/Wrinkling: When UV rays reach your skin, they interact with a natural chemical substance in the skin called melanin and can lead to various forms of skin damage including aging and wrinkles.
3/Guidelines for Protection:
* Follow the UV Index: The UV index was designed to help you flummox informed decisions about how much time you should spend in the sun and what protection you should use. It was created by the Environmental Protection Agency, the National...If you neediness to get a full essay, order it on our website: Orderessay

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