Bronchitis can even be deadly as some 350 people in the U.S. die from the illness every year, per the Centers for Disease Control and Prevention. Here's what causes bronchitis, how the illness ...

Viruses and bugs that we used to be able to clear within days can become a deadly threat. “The bronchitis was probably caused by a common virus – anything from the common cold to influenza or ...

Bronchitis affects the bronchial tubes, while pneumonia affects the lung air sacs. Without treatment, bronchitis can become pneumonia. You’re coughing, you’ve got a fever, and your chest feels ...