Non-Hodgkin Lymphoma
We don’t know what causes most cases of non-Hodgkin lymphoma (NHL). But there are some risks factors that can increase your risk of developing it. These include certain types of infection or a weakened .
Anything that can increase your risk of getting a disease is called a risk factor.
Different cancers have different risk factors. Having one or more of these risk factors doesn't mean you will definitely get that cancer.
Although NHL can happen at any age, more than 35 out of 100 (more than 35%) of people diagnosed with NHL are aged 75 and over.
Stories about potential causes are often in the media. It isn’t always clear which of the ideas reported are supported by good evidence.
You might have heard about a possible cause which we haven’t included here. This is either because there is no evidence to support it, or because it is not fully clear what the evidence shows.
Read more about possible causes and cancer controversies
Last reviewed: 13 Jun 2024
Next review due: 13 Jun 2027
Non-Hodgkin lymphoma (NHL) is a type of blood cancer that affects white blood cells called lymphocytes. It's the 6th most common type of cancer in adults.
You usually start by seeing your GP. They might refer you to a specialist doctor (haematologist) and organise tests.
Your treatment depends on the type and stage of your NHL. Common treatments include chemotherapy, targeted and immunotherapy drugs, radiotherapy and a stem cell transplant.
Practical and emotional support is available to help you cope with non-Hodgkin lymphoma.

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