Non-Hodgkin's lymphoma (NHL) is diverse group of cancers of lymphatic system which is part of human immune system. The lymphatic system includes lymph vessels, lymph nodes, lymph, tonsils, thymus and spleen. Non-Hodgkin's lymphoma is most commonly detected in older adults in the age groups of 60s and 70s.
There are no known causes for development of non-Hodgkin's lymphoma however medical experts believe that disorders in immune system and older age may increase your chance of having the disease. Research is going on all the time to try to find out other causes that led to the development of this disease.
The following risk factors may increase your chance of acquiring this disease:
Being Male: Non-Hodgkin's lymphoma is more common in males than in women.
Age: Though NHL can occur at any age but risk increases as ones age progresses. It is most commonly found in people above 60 years of age.
Past cancer treatment: Past cancer treatment can affect your risk of NHL two-fold. Some chemotherapy drugs can increase your risk of getting NHL 10 to 15 years after treatment. Having radiotherapy in the past also increases your risk of acquiring NHL.
Weakened immune system: NHL is most commonly found in those people whose immune system does not work properly. These include HIV and AIDS patients. It also occurs among those people who take medicines that impair the immune system following an organ transplant.
Viral infection: Infection with virus called 'Human T cell Lymphoma virus 1 (HTLV1), hepatitis's C, and Epstein-Barr Virus increase the risk of developing NHL.
Bacterial infection: The bacteria called "Helicobacter pylori" increases the risk of Lymphoma called MALT (mucosa associated lymphoid tissue) lymphoma. This type of lymphoma is usually located in stomach lining.
Environmental Exposure: Exposure to insecticide and pesticide, solvents, rubber processing, asbestos, arsenic, nuclear waste and fertilizers increases the risk of developing NHL.
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