Pain relief.
Pain is a physical or emotional suffering, sensation, torture, disorder and opposition to pleasure. From medicine point of view pain is the reaction to painful factor(even or object that causes pain) This reaction is distinguished by the certain emotional manifestations, reflector changes in the functions of internal organs, neuromotor instinctive reflexes and strong-willed efforts aimed to the deliverance elimination of the painful factor.
Prolonged pain manifests with changes in the physiological parameters (blood pressure, pulse, dilation of pupils, changes in hormone concentration).
Despite pain causes suffering,it is the most important component of the defense system of human organism. Pain gives warning of tissue damage and the development of pathologic process . Pain is also the permanent regulator of homeostatic reactions, including their highest behavioral forms. However, it does not mean that pain possesses only defense properties. Under specific circumstances, pain itself becomes the part of the pathologic process,being more dangerous than damage that caused this pain.
Pain can be divided into acute and chronic. Each of these form is subdivided into several types according to whence:
- Skin pain
- Somatic pain
- Internal pain
- Phantom pain in extremities
- Neuropathic pain
Among the adult Americans in 2007 nearly 16,8% desired to cure back pain ; 6,6% - neck pains; 4,9% - arthritis; 4,9% - articulate pains; 3,1% - headache and 2,4% attempted to manage the periodically repetitive pains.
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