Sunscreens and Tanning

Many people enjoy spending time in the sun, but it can also cause harm. The sun can cause skin cancer, sunburn, wrinkling and skin aging. Too much sun can even harm the body's immune system.

Lung Cancer

When a person has lung cancer, cells in the lungs grow out of control. More people die from lung cancer than from any other kind of cancer. More women die each year of lung cancer than of breast cancer.

What is Cancer?

Cancer is the general name for a group of more than 100 diseases in which cells in a part of the body begin to grow out of control. Although there are many kinds of cancer, they all start because abnormal cells grow out of control. Untreated cancers can cause serious illness and even death.

Cancer

Cancer is the uncontrolled growth of abnormal cells in the body. Cancerous cells are also called malignant cells.