Transcription: Skin burns caused by the ultraviolet radiation in sunlight are called sunburns. Most sunburns are first-degree burns, causing minor discomfort and redness that passes within a few days. However, severe overexposure to the sun can lead to more serious skin damage accompanied by fever, nausea, or shock. Recent studies have linked sunburn to the development of skin cancer later in life. Not all sun exposure causes sunburn. Mild exposure stimulates the production of melanin, protective pigment which causes tanning. In sunburn, the skin turns bright red as blood vessels dilate and blood flow increa ...