Going outside with wet hair in cold weather won’t make you sick, but it IS likely to give you a headache! As you know, being cold doesn’t give you a cold – because viruses cause colds, not temperature. But when our head gets abnormally chilly, changes are triggered in the sinuses and eye cavities, to prevent damage to the brain from excessive cooling. And those changes can lead to head pain. So there’s your reason NOT to go outside in cold weather with a wet head.

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