When we experience pain in any part of our bodies, it is usually an indication that something is wrong. The intensity of pain can range from mild and occasional to severe and constant. A sudden and sharp pain is called acute pain. It may either be mild that lasts for a short while, or may be severe that lasts for weeks or even months. Acute pain usually disappears as soon as the underlying cause of pain is treated or healed. However, when acute pain persists, it may lead to chronic pain. Even when an injury has healed, chronic pain continues to remain active for weeks, or months, even years. While some chronic pain may have been caused by an initial trauma or infection, some people may suffer chronic pain in the absence of any past injury or illness.
For people suffering in pain problems, modern advances in medicine provide new methods for chronic pain relief. Over the years, chronic pain had been dismissed as something that is just in the head. However, modern technology has developed ways to understand how the sensation of pain occurs. It has gained greater understanding of how the nervous system, including the spinal cord, interacts with the brain to create such...
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