A new study suggests the answer may come down to what happens inside your snoot. Researchers found that how cells in the ...

A new study shows the intricacies of the cold virus and how it interacts with nasal airway cells, revealing why some people ...

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

RSV often looks like a cold – but sometimes it's more serious. Here's when to call the doctor and how to help your child feel ...

Health experts have warned of a surge in cases of sinusitis, a condition involving swelling of the sinuses usually triggered ...

“Meanwhile, flu typically causes a sudden onset of fever, severe tiredness and weakness, muscle and joint aches, a headache, ...

Cough and throat irritation are commonly attributed to seasonal flu, but air pollution can also trigger similar symptoms.

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to the CDC.

Flu cases and hospitalizations are surging, already breaking last season's records. Here's where activity is highest, what ...

Cold and flu season is in full swing, and if you’re suffering from symptoms, you likely just want to find some relief. But ...