Calgary This Is Why Your Nose Runs When It's Cold | HuffPost Life - Action.News ABC Action News WestNet-HD Weather Traffic

Ever wonder why your nose starts to drip the moment the weather gets cold enough for gloves?

While it's not the most pleasant winter phenomenon, it is a sign of good health: Our bodies produce mucus to keep us healthy . The body amps up its mucus production in the cold to keep the nasal cavity moisturized and to prevent dryness and bleeding. The mucus also traps and prevents potentially harmful particles from getting into the lungs. Mucus itself is a necessary -- albeit unappealing -- biological function, but the actual dripping can be blamed on physics.

Learn more about this stuffy situation in the SciShow video above.

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