A sunburn is an inflammation of the skin as a result of overexposure to the
sun. The sun's ultraviolet rays destroy the outer layer of skin cells and the
tiny blood vessels underneath and cause a burn.
What are the causes and risks of the injury?
The ultraviolet rays from the sun destroy the outer layer of skin
cells, causing a sunburn. Risk factors that increase a person's chance of
sunburn include the following:
living near the equator
reflections from snow, sand, and water