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Non-Hodgkin Lymphoma and the Environment. Non-Hodgkin's lymphomas are a group of cancers that start in lymphoid tissue, also called lymph or lymphatic tissue. The causes of Non-Hodgkin lymphomas are mostly unknown. Specific viruses, immune deficiency, and specific autoimmune conditions have been implicated in increased risk. However, some environmental issues, including exposures to pesticides and solvents, are also being investigated.
Tweet. Share this. What causes lymphoma is not well known. DNA mutations may be what causes lymphoma to develop but what triggers these mutations is largely unknown. Family history does not provide much of a clue; except in the case of some rare forms, lymphoma does not appear to be linked to genetic inheritance. However, as lymphoma incidence rises and research accelerates, several risk factors for lymphoma have been established. We outline some of them below.