Santa may want to invest in some health insurance for his reindeer. A symptom known as the “Rudolph Sign” can be indicative of a larger infection in humans, and it’s especially common in the colder ...

A cold nose can be caused by hypothyroidism, which makes you sensitive to cold. Raynaud's syndrome can make your nose and extremities feel cold due to blood vessel spasms. Stress can make your nose ...

Using a laboratory model of the human nose, scientists have investigated why the severity of common-cold infections varies so ...