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Why Cold Air Makes Your Nose Run

About 50-90% of people get a runny nose when it's cold. We call this "cold-induced rhinitis", or "skier nose". People with asthma, eczema and hay fever seem to experience it more.

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Laid Up with 'Man Flu'? It's Real, Researcher Says

Don't doubt it: "Man flu" is real, or so says one Canadian researcher who was "tired of being accused of overreacting." With many respiratory diseases, a man is more susceptible to complications than a woman, plus his immune system may be naturally weaker, according to research published Monday in the BMJ medical journal.