Raynaud’s Syndrome Wiki
If you suffer from chronic and permanent cold in your extremities during the winter, and you are unable to warm your extremities easily, then you may have Raynaud’s phenomenon. Raynaud’s phenomenon is a rare disorder caused by narrowing of the blood vessels (arteries) that supply the extremities, such as the toes, hands, nose, ears, and surface of the skin, with blood that maintains body temperature. This happens as a severe reaction to the cold and leads to a permanent feeling of coldness and numbness in the extremities and a blanching and then blueness of the skin, sometimes as a result of a lack of ischemia and insufficient blood flow thru the blood vessels to it. With the return of blood, the skin becomes red with a feeling of numbness and tingling. When the temperature drops, the body, as a natural reaction, withdraws blood from the surface area of the skin and from the extremities to the vital internal organs to warm them and protect them from cold. The natural and thi...
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