Scarf Up! Breathing frosty air through nose boosts cold virus

January 5, 2015 8:03 PM

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Scarf Up! Breathing frosty air through nose boosts cold virus

As a sharp chill grips much of America, a new study suggests frigid weather might lead to a spike in sniffles and sneezes. But a scientist says there might be a simple, even old-fashioned way, to ward them off: Wear a thick scarf over your nose.

In a study in mice, Yale researchers have found the cold virus thrives in a slightly cooler environment— that is, it does better in the nose than in the lungs, according to a study published in the Proceedings of the National Academy of Sciences Monday.

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