Cancer

Cancer is the catchall term applied to diseases caused by the uncontrolled growth of abnormal cells. Cancer isn't one disease. It is many different diseases, more than 100 and counting.

Each kind of cancer is usually named for the cell type in which it begins — cancer that starts in a lung is called lung cancer; cancer that starts in pigment cells in the skin, which are known as melanocytes, is called melanoma.

When detected and treated early, cancer can often be stopped. That said, cancer is a leading cause of death and disability around the world.

Cancer Articles

Ask the doctor: Concern about a now "normal" PSA

I am 68 years old, and recently my PSA level (which was normal before) increased to 5.2 nanograms per milliliter (ng/ml). My doctor repeated the test one month later, and it was normal again at 3.3 ng/ml. Should I still be concerned? More »

Taking aim at cancer

Targeted cancer therapies are drugs that block the growth and spread of cancer by interfering with specific molecules that are involved in the cancers’ progression. They can possibly treat certain cancers with fewer side effects and better outcomes. However, they do not work for everyone, or for every kind of cancer. (Locked) More »

Cancer and Diet Webcast

This Forum will explore what we know, and don't know, about links between diet and cancer. Included in the discussion will be the World Health Organization's classification of processed meat as a "Group 1" carcinogen; the latest on what is known about fats and cancer; and the just-released Dietary Guidelines for Americans as they pertain to cancer and diet. Additionally, the panel will discuss cancer prevention strategies. More »

Colon cancer testing: What's in it for you?

Screening exams can prevent colorectal cancer, although the number of lives this ultimately saves is less clear. Colonoscopy is considered the most thorough exam for finding precancerous growths on the colon wall, although sigmoidoscopy and stool testing are also effective if performed often enough. Despite uncertainties, colorectal cancer screening is one of the most effective preventive health measures. (Locked) More »

Vasectomy and prostate cancer

Vasectomy has been linked to higher risk of eventually being diagnosed with prostate cancer, but there is no convincing proof that one actually causes the other. (Locked) More »