Other Non-Hodgkin Lymphoma risk factors

• Chemical exposure:  arsenic, lead, vinyl chloride, asbestos, insecticides, pesticides and weed killers, wood preservatives, organic chemicals, and solvents
• Exposure to nuclear accidents,  nuclear testing, or underground radiation leaks
• Treatment with immunosuppressant drugs, for prevention of organ transplantation rejection, or for treatment of inflamatory and autoimmune disorders
• Tumor necrosis factor agents used to treat psoriatic and rheumatoid arthritis and inflammatory bowel disease
• Prior exposure to chemotherapy and/or radiation used to treat a prior diagnosis of  cancer
• Treatment with a medication called Dilantin (phenytoin), commonly used to treat seizure disorders
• Use of hair dyes, especially dark and permanent colors, used before 1980
• High levels of nitrates found in drinking water
• Diets high in fat and meat products
• Ultraviolet light exposure
• Alcohol intake