Why Do Some People Have ‘Cold’ or ‘Hot’ Hands?

Some people have cold or hot hands because of how their blood moves. Imagine your body is like a house, and your hands are rooms that get heated by the blood coming from the heart. If your blood flows quickly to your hands, they feel warm, like a heater turned up high. But if it takes time for the blood to reach your hands, they stay cold, like a room that’s not warmed up yet.

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Examples

  1. When it's winter, Lily’s hands are always the coldest in class, her fingers look like they're about to freeze.
  2. Tom’s hands feel like they’re on fire even when he’s wearing gloves, his friends think he has a fever.
  3. Maria’s brother has such warm hands that she can almost feel them through her socks.

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