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Sunburn is a form of radiation burn that affects living tissue, such as skin, that results from an overexposure to ultraviolet (UV) radiation, usually from the Sun. Common symptoms in humans and other animals include red or reddish skin that is hot to the touch or painful , general fatigue , and mild dizziness .
Melanoma on human skin Sunburn peeling. Ultraviolet (UV) irradiation present in sunlight is an environmental human carcinogen.The toxic effects of UV from natural sunlight and therapeutic artificial lamps are a major concern for human health.
Sunburn effect (as measured by the UV index) is the product of the sunlight spectrum (radiation intensity) and the erythemal action spectrum (skin sensitivity) across the range of UV wavelengths. Sunburn production per milliwatt of radiation intensity is increased by nearly a factor of 100 between the near UVB wavelengths of 315–295 nm.
UV rays can penetrate clouds even when sunlight cannot. According to Sulpizio, slight cloud cover can lead to higher rates of sunburn because of "less diligence."
Dermatologists say simple things you have at home — like yogurt, aloe and oatmeal — can serve as sunburn remedies. Suburnt? Get relief with these 7 home remedies
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The UV index is designed as an open-ended linear scale, directly proportional to the intensity of UV radiation, and adjusting for wavelength based on what causes human skin to sunburn. [1] The purpose of the UV index is to help people effectively protect themselves from UV radiation, which has health benefits in moderation but in excess causes ...
A radiation burn is a damage to the skin or other biological tissue and organs as an effect of radiation. The radiation types of greatest concern are thermal radiation, radio frequency energy, ultraviolet light and ionizing radiation. The most common type of radiation burn is a sunburn caused by UV radiation.