Understanding UVA and UVB
Shining Light on Ultraviolet Radiation
Ultraviolet radiation is composed of three wavelengths: UVA, UVB and UVC. While UVC isn't a concern for skin cancer, UVA and UVB play different roles when it comes to tanning, burning, and …
UVA Radiation: A Danger Outdoors and Indoors
While it's understood that taking sun safety precautions during the summer months is a must, many people don't realize they need to protect their skin year-round - even when indoors. The temperature …
Ozone and UV: Where Are We Now?
The stratospheric ozone layer absorbs most of the harmful ultraviolet B (UVB) radiation (shortwave UV rays measuring 280-315 nanometers, or nm) emitted by the sun. In small amounts, UVB radiation is …
Landmark Research Links Melanoma to UV Radiation
Mark Teich, Executive Editor
In December 2009, a remarkable new study made perhaps the strongest case ever that some melanomas are caused by exposure to ultraviolet (UV) radiation.
Scientists at …