Pain is worldwide. In every county and every city, pain is experienced. Whether it's the pain of a severed toe or the pain of a severe heart attack, someone is in pain and that pain has a purpose. However, from the first experience of pain we begin to suspect that pain is not our friend. And as we continue to endure and be subject to pain, we begin to hate it. As the aversion to pain grows, we Americans give up on enduring and defeating pain. Our medicine cabinets have filled up with pain pills, and swallowing a pill for every tiny ache has become routine. Yes, some pain at excruciating and chronic levels should be diminished, but pain should never be eradicated. We may wish we were invincible to pain, but pain has a purpose and is a necessity to feel. As humans without natural armor, we fear pain and try to escape it; however, the rare disease Congenital Insensitivity to Pain reinforces and confirms that pain is a vital and essential teacher for our survival, and above all we should all be grateful for pain. Pain can be felt in many different areas, to varying degrees. We all experience pain differently, but all pain is a property not only of the senses, but also of our brains and our expectations (Myers 227). There are many different theories about how our body experiences pain, but the most common is the Gate-Control theory. The Gate-Control theory predicts that the spinal cord contains a neurological "gate" that blocks pain signals or allows them to pass through. to the brain. The spinal cord contains small nerve fibers that conduct most pain signals and larger fibers that contain most other sensory signals. When the tissue is damaged, the small fibers activate and open the neural gate causing... middle of paper... April 10, 2011. Grunowski, John, and Emma Lee. Help Roberto. Help Roberto, 2007. Web. April 17, 2011. Kennedy, Ron. "Congenital insensitivity to pain with anhidrosis". The Doctors' Medical Library. Medical Library, 2011. Web. April 12, 2011.Lambert, Katie. "How CIPA works." Discovery shape and health. Communications of Discovery, 2011. Web. April 17, 2011. Myers, David. "Pain." Psychology. 8th ed. 2007. Print.O'Hara, Dorene. Heal the pain, comfort the spirit. Philadelphia: Pennsylvania Press, 2002. Print.Richeimer, Steven. “Understanding Neuropathic Pain.” SpineUniverse.com. SpineUniverse, 2011. Web. April 10, 2011. "The Girl Who Feels No Pain." ABC News. ABC Good Morning America, December 9, 2005. Web. April 11, 2011. Vertosick, Frank. Because we suffer. New York: Harcourt Inc., 2000. Print. “Quotes from William Faulkner.” ThinkExist.com. Think Exist, 2010. Web. 12 April 2011.