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

Cancer prevention is action taken to lower the chance of getting cancer. In 2014, about 1.6 million people will be diagnosed with cancer in the United States. In addition to the physical problems and emotional distress caused by cancer, the high costs of care are also a burden to patients, their families, and to the public. By preventing cancer, the number of new cases of cancer is lowered. Hopefully, this will reduce the burden of cancer and lower the number of deaths caused by cancer.

Cancer is not a single disease but a group of related diseases. Many things in our genes, our lifestyle, and the environment around us may increase or decrease our risk of getting cancer.

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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...

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Scientists are studying many different ways to help prevent cancer, including the following:

  • Ways to avoid or control things known to cause cancer.
  • Changes in diet and lifestyle.
  • Finding precancerous conditions early. Precancerous conditions are conditions that may become cancer.
  • Chemoprevention (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: May 28, 2015
    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.
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