Lungs & Respiratory System
Millions of teens in the United States have asthma, a lung condition that causes difficulty breathing. Here are the basics on symptoms, triggers, and treatments.
Cystic fibrosis (CF) is an inherited disease that causes the body to produce mucus that's extremely thick and sticky. It mainly affects the lungs and the pancreas, causing serious breathing and digestive problems.
Bronchitis is an inflammation of the lining of the bronchial tubes. When a person has bronchitis, it may be harder for air to pass in and out of the lungs.
Tuberculosis (TB) is making a comeback in the United States today - particularly among the homeless, those in prison, and those rendered susceptible because of HIV infection.
This video shows what it's like to get an X-ray.