The rays cause melanocytes to produce more melanin. However, if the skin is overexposed to UV radiation, the melanocytes may change or experience abnormal growth, which causes cancer [source: Melanoma ]. Melanoma is the most serious form of skin cancer, and it can spread quickly and appear anywhere on the body.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.
For other uses, see Iago (disambiguation). Iago is a fictional character in Shakespeare's Othello (c. 1601â1604). Iago is the play's main antagonist, and Othello's standard bearer. He is the husband of Emilia, who is in turn the attendant of Othello's wife Desdemona. Iago hates Othello and devises a plan to destroy him by making him believe that his wife is having an affair with his lieutenant, Michael Cassio.
In the original play of Othello by William Shakespeare, Iago does not die. He is arrested and his fate gets to be decided by Cassio, who is promoted to the position of governo â¦ r of Cyprus. In the 1995 movie version of Othello, however, Iago kills himself.: Iago is secretly in love with Desdemona and resents the fact that she seems to like both Othello and Cassio better than him. 6: Iago is secretly in love with Othello, and resents the fact that he seems to love both Cassio and Desdemona better than him.