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.
Dangers of UV Radiation. Though the sunburn you had in the summer may fade, your body doesn't forget that exposure to UV radiation. Changes in your skin's DNA due to UVA and UVB rays can cause serious, long-term skin damage.One of the major downsides of UV radiation is that it advances the signs of aging. Premature wrinkling is common in people who have been exposed to the sun over long periods of time, as are age spots and uneven complexions.V radiation can also cause cataracts and weaken the immune system [source: AAD: Exam ]. But UV radiation is probably most notorious for causing various forms of skin cancer.