A member asked:

Can you catch a cold by playing in the rain for too long or feeling really cold?

A doctor has provided 1 answer
Dr. Heidi Fowler answered

Specializes in Psychiatry

A virus is required: To catch a cold. Cold air ^’s nasal mucus production & viscosity. Mucus is part of our body’s defense mechanism. It traps viruses & other particles. When the mucus is thick (sluggish) it makes removing viruses more difficult. Another function of the nose is to warm cold air before it moves to the lungs. Capillaries in the nose dilate to bring warm blood to the nares. As these tissues fill with >i.

Answered 9/11/2013

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