What causes cold hands?

Cold hands happen when your body doesn't send enough warmth to them.

Imagine you have a little heater inside you that keeps your whole body warm. But sometimes, especially in the winter, or when you're sitting still for too long, your body decides to save energy and sends less heat to your hands, like turning down the heater in your fingers and toes.

Your body works hard to keep you warm. When it's cold outside, your body tries to protect the important parts, like your heart and lungs. That means your hands might feel chilly because they're not getting as much of the warmth from inside you.

Think about when you take a long walk on a snowy day, your legs are moving, so they get warm. But if you’re sitting at the table eating hot cocoa, your hands might stay cold because they’re not doing anything.

So, it's like your body is saying, "I need to keep my important parts warm, and I'll worry about your hands later!"