Question: what are the risk factors for non hodgkin lymphoma?
Answer: Age. Getting older is a strong risk factor for lymphoma overall, with most cases occurring in people in their 60s or older . ... 
Gender. ... 
Race, ethnicity, and geography. ... 
Family History. ... 
Exposure to certain chemicals and drugs. ... 
Radiation exposure. ... 
Having a weakened immune system. ... 
Autoimmune diseases.