The easiest way to prevent skin cancer is to wear sun screen. You might think that is funny or you don't like to put it on but it could save your life some day. The U.V. rays from the sun can burn your skin. It can also put blisters on you skin and that hurts your skin very severely. It can also cause you to get a sunburn. This skin damage can lead to skin cancer later in your life. So don't argue with your mother when she tells you to put on sun screen.