Cold air can irritate the airways that carry air into the lungs, potentially causing symptoms like coughing, chest tightness, and trouble breathing.

Credit: Getty Images / urbazon Breathing Lessons by pulmonologist MeiLan Han, MD, uses patient-friendly language to explain how healthy lungs work and the many things that can go wrong. How do you ...

Your lungs work hard every day. Dr. Sudhanshu Rai shares three simple tests you can do at home to check your lung health. These tests include the stair test, breath hold test, and blow test. They help ...