Learn how the body’s earliest immune defenses can stop a common cold before symptoms appear.

When a rhinovirus, the most frequent cause of the common cold, infects the lining of our nasal passages, our cells work ...

Colds are often associated with winter and low temperatures, but environmental factors play a greater role than simple exposure to viruses.

A new study shows that the body’s early immune response, not the virus itself, often determines how severe a rhinovirus cold ...

While most sinus infections clear up on their own, it is important to monitor symptoms, as bacterial infections can sometimes spread to other areas. If a sinus infection lasts longer than 10 days, or ...