Do Tanning Beds Cause Skin Cancer and Other Harmful Effects?
Elizabeth Carruth What is UV radiation? Before one can discuss harmful effects of tanning equipment and increased sun exposure, one must be familiar with the components of ultraviolet light and how affects the skin. Sunlight contains two types of ultraviolet (UV) light: UVA and UVB. UVA rays consist of longer wavelengths that penetrate deep into the dermal layer of skin. Limited exposure to UVA rays causes skin to tan; however, most experts agree that overexposure to UVA can lead to other long-term skin damage. UVB rays wavelengths are much shorter, affecting the outermost layers of skin. UVB rays are known as the “burning rays” and are considered more dangerous. Tanning beds and sun lamps generally emit 93% to 99% UVA radiation increasing the benefits of a tan This is three times the UVA radiation given off by the sun (http://www.wraltv.com/features/healthteam/1998/0520-sunscreen/). Whats the difference between a tan and sunburn? It is also important to know what happens to the skin a
