Skip to content

Melanoma/Skin Cancer Health Center

Font Size

Skin Cancer Prevention (PDQ®): Prevention - Patient Information [NCI] - What is prevention?

Cancer prevention is action taken to lower the chance of getting cancer. By preventing cancer, the number of new cases of cancer in a group or population is lowered. Hopefully, this will lower the number of deaths caused by cancer.

To prevent new cancers from starting, scientists look at risk factors and protective factors. Anything that increases your chance of developing cancer is called a cancer risk factor; anything that decreases your chance of developing cancer is called a cancer protective factor.

Recommended Related to Cancer

General Information About Langerhans Cell Histiocytosis (LCH)

The histiocytic diseases in children and adults include three major classes of disorders. Only Langerhans cell histiocytosis (LCH), a dendritic cell disorder, is discussed in detail in this summary. Erdheim-Chester disease (primarily found in adults) and juvenile xanthogranuloma (diagnosed in children and adults) are macrophage disorders. Other disorders of the macrophage/monocytoid lineages include Rosai-Dorfman disease and hemophagocytic lymphohistiocytosis. Malignant disorders include malignant...

Read the General Information About Langerhans Cell Histiocytosis (LCH) article > >

Some risk factors for cancer can be avoided, but many cannot. For example, both smoking and inheriting certain genes are risk factors for some types of cancer, but only smoking can be avoided. Regular exercise and a healthy diet may be protective factors for some types of cancer. Avoiding risk factors and increasing protective factors may lower your risk but it does not mean that you will not get cancer.

Different ways to prevent cancer are being studied, including:

  • Changing lifestyle or eating habits.
  • Avoiding things known to cause cancer.
  • Taking medicines to treat a precancerous condition or to keep cancer from starting.

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Public Information from the National Cancer Institute

    Last Updated: 8/, 015
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
    Next Article:

    Today on WebMD

    Malignant melanoma
    About 40-50 percent of those who live to be 65 may get it. Here’s how to spot early.
    Woman checking out tan lines
    There’s a dark side to that strive for beauty. See them here.
    sauteed cherry tomatoes
    Fight cancer one plate at a time.
    Lung cancer xray
    See it in pictures, plus read the facts.
    12 Ways to Protect Your Skin from Melanoma
    precancerous lesions slideshow
    Do You Know Your Melanoma ABCs
    15 Cancer Symptoms Men Ignore
    screening tests for men
    Vitamin D
    Is That Mole Skin Cancer
    Brilliant sun rays