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Reverted edits by Gannon (Talk); changed back to last version by Hojimachong
UVB is a band of ultraviolet radiation with wavelengths from 280-320 nanometers produced by the [[Sun]].
UVB is a kind of ultraviolet light from the sun (and sun lamps) that has several harmful effects. It is particularly effective at damaging DNA. Some consider it to be a cause of [[melanoma]] and other types of skin cancer.
The ozone layer protects the Earth against most UVB coming from the sun. It may also be helpful minimize one's exposure to UVB by wearing hats, sunglasses, and sunscreen.
[[category:physics]]
[[category:physics]]