What Is Lung Cancer?

Lung cancer is a disease in which malignant cells form in the tissue of the lungs. As more of these cells are produced, they can form into a tumor and spread to the surrounding body tissue, lymph nodes, and bloodstream.

Featured Stories

What Is Lung Cancer?

Lung cancer is the second most common cancer in the United States.
Read More

Can Smoking Pot Cause Lung Cancer?

The health risks and benefits of marijuana are hotly debated, and one particular risk—lung cancer—isn't as well-studied as it is for say, cigarettes. Here's what you should know about pot and your respiratory health.
Read More

I Run By a Busy Highway. Is That Bad for My Lungs?

Air pollution is a health issue even when you’re not exercising, and a worse one when you are.
Read More

How Lung Cancer Is Treated

It's a scary diagnosis, but you still have choices.
Read More

The Difference Between Small Cell and Non-Small Cell Lung Cancer

A lung cancer diagnosis can be confusing. Here are the two major types of lung cancer, and their symptoms and treatments.
Read More

This 30-Year-Old Personal Trainer Has Stage 4 Lung Cancer. You Wouldn't Know It by Looking at Her

For months, Vicky Veness was misdiagnosed with asthma. Her viral Facebook photo shows you don't always look sick when you have a life-threatening illness.
Read More

How Long Is Too Long to Have a Cough?

Ask yourself these five questions to help determine when a lingering cough may actually be something to worry about.
Read More

The Stages of Lung Cancer, Explained

A patient’s prognosis depends a lot on how big their tumor is and how far it’s spread.
Read More

What Is Lung Cancer’s Survival Rate?

Lung cancer has a reputation as an always-fatal disease, but prognosis depends on the type of tumor and when it’s diagnosed.
Read More

More Lung Cancer


Lung Cancer and COPD Turned This Person’s Lungs Completely Black

This shocking Facebook post highlights just how dangerous smoking is.