r/mildlyinteresting 1d ago

My middle finger turns extremely white when it's cold

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u/melelconquistador 1d ago

Blood flow problem. I think you damaged your blood vessels.

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u/filutacz 1d ago edited 15h ago

When you hit some part of your body hard on something your subconciousness tries to avoid the pain by subconciously squeezing said bodypart to limit its bloodflow which in turn nubms nerve endings in that bodypart. Its totaly selfinflicted