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.
Skin cancer. Prolonged exposure to ultraviolet radiation from the sun can lead to melanoma and other skin malignancies. Clear evidence establishes ultraviolet radiation, especially the non-ionizing medium wave UVB, as the cause of most non-melanoma skin cancers, which are the most common forms of cancer in the world.