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Sunburn is caused by UV radiation from the Sun but may also result from artificial sources, such as tanning lamps, welding arcs, or ultraviolet germicidal irradiation. It is the body's reaction to direct DNA damage from UVB light. This damage is mainly the formation of a thymine dimer.
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.
Melanin protects the body by absorbing ultraviolet radiation. Excessive UV radiation causes sunburn along with other direct and indirect DNA damage to the skin, and the body naturally combats and seeks to repair the damage and protect the skin by creating and releasing further melanin into the skin's cells. With the production of the melanin ...
UV exposure from the sun can damage much more than just your skin's appearance, according to Dr. Robin Levin, a dermatologist from South Jersey Skin Care & Laser Center.
The sunburn draws fluid to the skin, away from the rest of the body, so drinking extra water can help avoid dehydration. ... It is strongly advised to avoid further skin damage. Staying indoors is ...
One consequence of acute UVB exposure is the occurrence of sunburn cells, keratinocytes, within the epidermis. [3] [4] It has been found that when exposed to UVB radiation the DNA in an epidermis cell undergoes fragmentation, which could result in the growth of tumor cells. To prevent this the cell undergoes a morphological change into ...
Photokeratitis is akin to a sunburn of the cornea and conjunctiva. The injury may be prevented by wearing eye protection that blocks most of the ultraviolet radiation, such as welding goggles with the proper filters, a welder's helmet, sunglasses rated for sufficient UV protection, or appropriate snow goggles. The condition is usually managed ...
Permanent link; Page information; ... increasing in elastin and collagen damage. [5] [6] ... the distribution of melanin provides protection from sunburn, photoaging ...