Woke up to a sore, scratchy throat? You may want to blame it on dry air, but it’s usually a sign your body is fighting a viral infection. “The top five causes of a sore throat are a virus, a virus, a ...

Over the last few years, the U.S. has experienced a troubling resurgence of pertussis, also known as whooping cough.

Sipping a warm tea or broth helps keep the throat moist and loosens up mucous. “Warm temperatures may also reduce coughing by ...