Learn how the lungs get air into and out of the body.

Use these resources to help you learn about radiation therapy.

Emphysema is a type of lung disease. It limits the movement of air into and out of your lungs, making it harder to breathe.

Hands are made up of more bones and moving parts than most other areas of the body. Learn more, along with helpful diagrams.

When you have COPD, you're more likely to develop a lung infection (pneumonia) with a cold or the flu. To stay healthier, avoid contact with germs. Get prompt treatment at the first sign of illness.

Chemotherapy (chemo) is a treatment for cancer. Chemo can be a single medicine. Or it can be a combination of medicines. Learn how chemo works, including goals, side effects, and long-term risks.

Chronic obstructive pulmonary disease (COPD) is a group of diseases that limit the flow of air into and out of the lungs. COPD includes chronic bronchitis and emphysema, most often caused by heavy, long-time cigarette smoking. It can also include chronic asthma.

A fractured bone starts to heal right away. But a treatment called reduction may help you heal better. Reduction is a process that repositions your bones.

Here are tips for first, second, and third trimesters to cope with issues like nausea, fatigue, mood swings, and headaches.

You may have chronic bronchitis if you cough up mucus and feel short of breath for at least 3 months each year, for 2 or more years in a row. Read on to learn more.