Web Results

www.epa.gov/sunsafety/health-effects-uv-radiation

Health Effects of UV Radiation Ozone layer depletion decreases our atmosphere’s natural protection from the sun’s harmful ultraviolet (UV) radiation. This Web page provides an overview of the major health problems linked to overexposure to UV radiation.

www.sciencelearn.org.nz/resources/1304-positive-and...

Causes sunburn – UV burns the skin. Sunburn is a burn that occurs when skin cells are damaged. This damage to the skin is caused by the absorption of energy from UV rays.

earthobservatory.nasa.gov/features/UVB

People and plants live with both helpful and harmful effects of ultraviolet (UV) radiation from the sun. (Photograph courtesy Jeannie Allen) UV radiation from the sun has always played important roles in our environment, and affects nearly all living organisms.

www.cancer.org/.../what-is-uv-radiation.html

Exposure to ultraviolet (UV) radiation is a major risk factor for most skin cancers. Sunlight is the main source of UV rays. Tanning lamps and beds are also sources of UV rays. People who get a lot of UV exposure from these sources are at greater risk for skin cancer.

www.everydayhealth.com/.../effects-of-uv-radiation.aspx

UV rays are the biggest contributor to premature aging and wrinkles. Learn how sun exposure can affect your skin and how to keep it youthful looking. The Aging Effects of UV Rays - Skin and Beauty ...

www.cdc.gov/nceh/radiation/ultraviolet.htm

Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources, such as tanning beds. The beneficial effects of UV radiation include the production of a vital nutrient, vitamin D; however, overexposure may present risks.

www.who.int/uv/health/uv_health2

Health effects of UV radiation Skin: sunburn, suntan and skin aging The best known acute effect of excessive UV exposure is erythema, the familiar skin reddening termed sunburn.

www.canada.ca/.../health-effects-ultraviolet-radiation.html

Ultraviolet (UV) radiation has some benefits. But as with all forms of radiation, there are risks involved with overexposure to UV radiation (rays). Skin damage caused by the sun is cumulative. This means that long-term, daily exposure to sunlight adds up. UV exposure causes damage in the DNA of ...

www.skincancer.org/prevention/uva-and-uvb

UV Radiation and Skin Cancer. By damaging the skin's cellular DNA, excessive UV radiation produces genetic mutations that can lead to skin cancer. Both the U.S. Department of Health and Human Services and the World Health Organization have identified UV as a proven human carcinogen.

www.livescience.com/50326-what-is-ultraviolet-light.html

Ultraviolet light is a type of electromagnetic radiation that makes black-light posters glow, and is responsible for summer tans — and sunburns.