Science Memes

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submitted 5 months ago by [email protected] to c/[email protected]

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[–] [email protected] 108 points 5 months ago (9 children)

it's actually the compressed nerve that's responsible for the numbness, not the loss of blood flow.

[–] [email protected] 4 points 5 months ago (2 children)

There's gotta be some partial decrease in circulation, though, given that my fingers on the numb hand are usually colder than my non-numb hand when this sometimes happens to me.

[–] [email protected] 6 points 5 months ago

Maybe a bit, but there would have to be a ton of pressure. Consider the fact we have to use a tourniquet to cut blood flow typically, and those hurt like hell.

[–] [email protected] 5 points 5 months ago

Maybe. Could be the compressed nerve reduces vasodilation in your fingers. Could be that your finger only feels cold.

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