What Causes Numbness and Tingling in Hands and Feet
The “pins and needles” sensation is a phenomenon that most people experience at one time or another, either from sitting in a particular position for too long or from sleeping in the wrong spot. In most cases, temporary numbness of the hand or foot does not cause any lasting effects and disappears as quickly as it came. However, if numbness and tingling recur, become more persistent, or develop without a clear cause, it can be a sign of a more serious medical condition.
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