The Chorus recounts the events leading to Antigone's tragedy. Oedipus, Antigone and Ismene's father, had two sons, Eteocles and Polynices. Upon Oedipus' death, it was agreed that each would take the throne from one year to the next. After the first year, however, Eteocles, the elder, refused to step down.
Ultraviolet (UV) radiation from the sun is the number-one cause of skin cancer, but UV light from tanning beds is just as harmful. Exposure to sunlight during the winter months puts you at the same risk as exposure during the summertime, because UVA rays are present in daylight.
Both UV-A and UV-B rays causing DNA damage, which can lead to skin cancer in laboratory animals and humans; and. The risk of melanoma of the skin increasing by 75 percent when tanning bed use started before age 35.