COPD is a lifelong condition that can make breathing difficult and interrupt daily activities. Breathing exercises like pursed lip breathing and diaphragmatic breathing can help your lungs function better.

COPD is a lifelong condition that can make breathing difficult and interrupt daily activities. Playing the harmonica might hold the key to ease and improve breathing. Here are a few tips to get you started.

Bronchitis is a common condition. Learn more about what it is, what causes it, how it changes your lungs, and how it's treated.

MERS is a respiratory illness that can lead to fever, shortness of breath, pneumonia and kidney failure. Find out more about it and how it spreads

Pneumonia is an infection of the air sacs in your lungs. It’s usually mild but can be deadly, so see a doctor.

Compare the sound of healthy lungs to noises that indicate a bigger health issue like pneumonia, rales, and other conditions.

Breathing in secondhand smoke can lead to several serious health conditions.

Sixth-grader Chloe Fernandez shares her story through her book, PCD Has Nothing On Me! See how WebMD’s 2017 Health Hero: Advocate doesn’t let this condition hold her back.