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February 10, 2012

Non-Hodgkins Lymphomas (cont.)

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What are risk factors for non-Hodgkin's lymphoma?

In many cases, people who develop NHL have no risk factors, and doctors seldom know why one person develops non-Hodgkin's lymphoma and another does not.

Certain risk factors increase the chance that a person will develop this disease although most people who have these risk factors will never develop the disease.

Risk factors

Medications that suppress your immune system: Using immunosuppressive agents (such as after an organ transplant) is a risk factor as it reduces your bodies ability to fight infection.

Weakened immune system: The risk of developing lymphoma may be increased by having a weakened immune system.

Certain infections: Certain viral and bacterial infections increase the risk of NHL. Examples are HIV, hepatitis C virus, and Epstein-Barr virus. A type of bacteria sometimes linked to NHL is the ulcer-causing H. pylori.

Note: Lymphoma is not contagious. You cannot catch lymphoma from another person.

Age: Although non-Hodgkin's lymphoma can occur in young people, the chance of developing this disease increases with age. Most people with non-Hodgkin's lymphoma are older than 60 years of age.

Other possible links: People who work with herbicides or certain other chemicals may be at increased risk of this disease. Researchers are also looking at a possible link between using hair dyes before 1980 and non-Hodgkin's lymphoma. None of these possible links have definitely been proven.

Note: Having one or more risk factors does not mean that a person will develop non-Hodgkin's lymphoma. Most people who have risk factors never develop cancer.


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