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The feeling of pins and needles, which you might also call ‘bubbles’ or ‘tingles’, comes from our nerves.
That pins-and-needles feeling can come from sitting in the same position for a while.
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An exercise physiologist explains how it’s a problem of communication between your brain and your body.
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Pins and needles are a warning to tell us to move our limbs about, because long-term nerve entrapment can cause permanent damage.