BOSTON - Dr. Mallika Marshall is answering your medical questions. If you have a question, email her or message her on Facebook or Twitter. Harriet asks, "What is the difference between an upper ...

Dr. Vasu Bhavaraju from Phoenix Children's Hospital explains how you can tell the difference between respiratory illnesses.

Human metapneumovirus (hMPV) is one of the viruses that causes the common cold. It usually makes people only mildly poorly, but it can make some people very sick. The NHS is under intense pressure due ...

Although mucus and phlegm are related terms, they don't mean exactly the same thing. Karl Tapales via Getty Images Most people are all too familiar with the icky, uncomfortable feeling of having mucus ...

That sandpaper feeling in your mouth when you wake up might be more than just annoying—it could be your body’s early warning system flagging a problem with your respiratory health. While most of us ...