Pain Research

Pain is a disturbing feeling that is sent to the brain by the nervous system to reveal a bodily injury or the danger of a possible injury. Pain receptors distributed throughout the body start the pain with electrical impulses to the spinal cord then moving upward to the brain.

Sometimes the message creates a reflex response when it reaches the spinal cord by sending an immediate response to the site of the pain such as a burn on the hand that causes the hand to pull away from the hot spot. This is a reflex action that causes the muscle to contract. A person can only be aware of the pain when it reaches the brain.

People have different levels of pain tolerance. Athletes during an important or exciting game may get a major injury without any pain. For example an athlete may play after a broken bone which is not discovered until several minutes after the injury. The amount of pain therefore depends upon the situation, the mood of the person, and type of person. Older people usually can tolerate more pain than youngsters.

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