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.
These relationships can either bring great joy or can become the very cause of human frailty. In the play âOthelloâ by William Shakespeare we witness the downfall of the main character Othello and the underlying factors which lead to his downfall.One of the main factors is the relationships he had with others.The relationship between Othello and Iago is built on friendship.he main weakness in Othello is his trustworthy nature from which derives other weaknesses, all of which ultimately leads to his downfall. Othelloâs trustworthy nature is a weakness in his character; it is this characteristic which Iago preys on.