Common implies that there’s a single ordinary pathogen to blame for your runny nose, coughing, and mild fatigue. Actually, there’s a huge array of viruses—­more than 200 of them—that induce colds, ...

The most common symptoms of a chest infection include a persistent cough, wheezing, breathlessness, a high temperature, ...

“Also, our body’s natural adrenaline levels, which help suppress coughs, decrease at night, making us more sensitive to that ...

Windblown dust from the shrinking Salton Sea harms the respiratory health of children living nearby, triggering asthma, coughing, wheezing and disrupted sleep, USC research shows. The problem is ...

When we think about heart problems, a cough is not usually the first symptom that comes to mind. But for people dealing with ...

The sticky, slimy goo plays an essential role in fighting off infections, shaping the gut microbiome and more.

Young children are increasingly being infected with bacteria that can lead to the illness known as walking pneumonia. A ...

Turning on the heat for the first time this season can bring on cold-like symptoms. Here’s why — and how to avoid it.

Dr. Polverino answers your most pressing questions about bronchitis, how contagious it is and when it may cause more serious ...