Uv Rays And The Type Of Uv Rays

605 words - 3 pages

People that state tanning beds are harmful are often wrong. These people often aren’t educated about UV rays and the type of UV rays in tanning beds. Saying, for instance, the UV rays cause suppression of the immune system, cataracts, skin cancer, and/or premature aging of the skin. Comparing tanning beds to the sun. But tanning beds are a lot different from the sun.

UV light is typically found as part of the radiation received by the Earth from the Sun. Most humans are aware of the effects of UV through the painful condition of sunburn. Types of UV light include - UVA, UVB, and UVC. The ozone layer absorbs some, but not all, of these types of UV radiation: UVA - Not absorbed by the ozone layer, UVB - Mostly absorbed by the ozone layer, but some does reach the Earth's surface, and UVC - Completely absorbed by the ozone layer and ...view middle of the document...

There are many benefits from tanning beds. For example, UVB induces the production of vitamin D in the skin. It has been estimated that thousands of premature deaths occur in the United States annually from a range of cancers due to vitamin D deficiency. Another illistaration of this would be, most tanning bed industries agree that indoor tanning is much safer than receiving outdoor exposure to the sun. Light emitted from tanning equipment contains approximately 40% less UVB rays, the most harmful type of radiation, than does light from the sun. Tanning beds, therefore, have the power to control exposure time and the ratio of UVA to UVB rays for a "perfect balance". Since tanning beds filter out most of the burning UVB rays, chances of getting burned decrease dramatically. Therefore, the companies can claim that the tanning beds cannot be any more harmful than the sun. They’re actually safer because of the timed and controlled environment. Or for instance, UVA radiation has no harmful effects on the skin. They say that only UVB radiation can harm the outermost layer of the skin. Since UVA rays penetrate deep into the skin, they say that tanning beds cannot cause any type of premature aging, burn the skin, or thicken the skin, revealing a leathery type appearance. Lastly, researchers have also stated that it isn’t safe not to tan. For instance, a report that says avoiding the sun highly increases the risks for many cancers including skin cancer and that most studies prove that people who are not exposed to the sun on a regular basis have a greater chance of acquiring some forms of cancer. Another study that was conducted showed that malignant melanoma, the deadliest form of skin cancer, is actually more common in people who do not receive regular sun exposure and develops on areas that are not usually exposed to the sun. They have shown that heredity and repeated sunburn are the most prominent factors for skin cancer. Since tanning is your body’s natural defense against sunburn.

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