Add Yahoo as a preferred source to see more of our stories on Google. Marisa Garshick, MD, is a board-certified dermatologist and an assistant clinical professor of dermatology at Cornell-New York ...

Years of chronic exposure of human skin to sunlight strongly disrupts its body-clock rhythm, according to a pioneering study ...

The inclusion of the Ultraviolet light index (UVI) in U.S. weather forecasts in began in the early 1990’s. Ultraviolet light, a component of sunlight, is hazardous to plants and animals and it’s very ...

It's always important to protect yourself from UV radiation to avoid getting burned and damaging your skin. One way to plan for your safety outside is by checking the UV index. (Photo Credit: E+/Getty ...

Ultraviolet (UV) light is a type of radiation. It has more energy than radio waves or visible light but less energy than X-rays or gamma rays. You can be exposed to UV light via natural sunlight or ...

Exposure to ultraviolet (UV) light is a major factor in the rising incidence of melanomas. The mechanism behind this effect, however, is complicated—melanomas act differently depending on skin type, ...