Breathe easy: everything you need to know about respiratory illnesses

It may seem like the flu or a simple cold, but did you know that sometimes your cough, runny nose, and fatigue are symptoms of other types of respiratory illnesses? Sinusitis, pneumonia, and even tuberculosis are some of the illnesses in which the key to a quick recovery is an early diagnosis. 

Take a look at the causes, symptoms, and treatments in the gallery.