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azlan naeem
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How can we safe us from ultraviolet rays? Guide me which diseases caused by ultraviolet rays?
azlan naeem said:How can we safe us from ultraviolet rays? Guide me which diseases caused by ultraviolet rays?
What is xeroderma pigmentosum(XP)?
Xeroderma pigmentosum (pronounced:zer-o-der-ma/pig-men-toe-sum), XP, is a very rare inherited disease that causes extreme sensitivity to the sun’s ultraviolet rays. Unless patients with XP are protected from sunlight, their skin and eyes maybe severely damaged. This damage may lead to cancers of the skin and eye. XP has been identified in people of every ethnic group all over the world.
Please read on . . .
http://www.cc.nih.gov/ccc/patient_education/pepubs/xp7_17.pdf
zahero_2007 said:However UV rays exposure is essential for skin health and to guard against vitamin D deficiency .
• Children with XP should not play outdoors during the day unless they areunder ultraviolet light-blocking sheltersand away from reflective surfaces suchas snow, sand, or w a t e r. Clouds do not block out harmful rays.
• Special arrangements for children withXP should be made at school to ensure that they are not exposed to sunlight from an open window, that they are not exposed to any unfiltered(bare) fluorescent light bulbs, and that they are not permitted outside for gym,recess, fire drills, or other activities.
UV rays are a type of electromagnetic radiation that comes from the sun. There are three types of UV rays - UVA, UVB, and UVC. UVC rays are mostly absorbed by the Earth's ozone layer and do not reach the surface. UVA and UVB rays, however, can penetrate the Earth's atmosphere and can cause damage to our skin and eyes. UVA rays are linked to skin aging and wrinkling, while UVB rays are responsible for sunburns and can contribute to skin cancer.
The main health risks associated with UV ray exposure include sunburn, premature aging of the skin, cataracts, and skin cancer. Prolonged exposure to UV rays can also weaken the immune system and increase the risk of developing other types of cancer.
The best way to protect ourselves from UV rays is to limit our exposure to the sun. This can be done by seeking shade, especially during the peak hours of 10 am to 4 pm when UV rays are strongest. Wearing protective clothing such as hats, long-sleeved shirts, and sunglasses can also help. Additionally, it is important to use sunscreen with a Sun Protection Factor (SPF) of 30 or higher, and to reapply it every two hours or after swimming or sweating.
Yes, UV rays can also contribute to the development of other diseases such as cataracts, immune system deficiencies, and autoimmune disorders. UV exposure has also been linked to the exacerbation of certain skin conditions such as lupus and eczema.
While some exposure to UV rays is necessary for the production of vitamin D, there is no safe level of UV ray exposure. Even small amounts of UV exposure can cause damage to our skin and increase the risk of developing skin cancer. It is important to always protect ourselves from UV rays, regardless of the season or weather conditions.