Why Do Some People ‘Shiver’ When They’re Cold and Others Don’t?

Shivering is like a body's way of warming up. When it’s cold, some people shake because their bodies are trying to make heat by moving fast. Others don’t shiver because their bodies are already good at keeping warm or they just don’t feel the cold as much.

Why It Happens

Your body has a special system that keeps you at a comfortable temperature. When it gets too cold, your brain tells your muscles to move quickly, making you shiver and feel warmer. Some people have more of these muscle movements than others, so they shake more.

What Makes the Difference

Some people are born with better ways to keep warm inside their bodies. Others might wear extra clothes or just not mind being cold as much.

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Examples

  1. A person wearing only socks and a t-shirt in the snow starts shaking because they're cold.
  2. Another person wearing a thick coat and gloves stays calm even though it's freezing outside.
  3. A baby who is wrapped tightly doesn’t feel the cold at all.

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