How are the causes of non- Hodgkin lymphoma discovered? - By: Groshan Fabiola

Non- Hodgkin lymphoma has been related with a lot of risk factors. However, many of these factors are unknown and more than that, the actual causes of non- Hodgkin lymphoma remain a mystery.

There are many approaches to finding the actual cause of non- Hodgkin lymphoma. Some are more successful, others are not. Studies have been made on large groups of people who suffer from non- Hodgkin lymphoma, but the results were never as they expected. The scientists thought of another way to shed some light on the causes of non- Hodgkin lymphoma: use descriptive epidemiology. This means that they have to study what actual sections of the entire population suffer from lymphoma. In some countries, like The United Kingdom, an estimate twelve people in ten thousand suffer from non- Hodgkin lymphoma. As the number is actually rather small, it is harder for scientists to determine what actually causes non- Hodgkin lymphoma in this people. Studying them can only provide some clues related to lymphoma cases.

The condition, non- Hodgkin lymphoma, appears to be more rare in young people than in old ones. This means that a risk factor can be considered age. In all groups of people who suffer from lymphoma, males appear to be the ones more affected by this type of cancer. So gender seems to be another risk factor where lymphoma is concerned.

Non- Hodgkin lymphoma is very hard to understand and there are many stops along the way when researching this disease. One of the most difficult things that scientists experience when studying lymphoma is actually understanding the pathology of lymphoma. Almost one hundred years ago, non- Hodgkin lymphoma was considered to be one disease and today this theory has been proven wrong. Many different lymphoma subtypes have been discovered and there have been a lot of different classifications of lymphoma along the years, thing that puts many scientists in difficulty.

However, despite all difficulties, some conclusions have still been made regarding non- Hodgkin lymphoma. It seems that all studies that have been made on non- Hodgkin lymphoma have one thin in common and that is that there are three main groups of causes for non- Hodgkin lymphoma: one is lifestyle factors, one is occupational links and the other is aspects of immunity. The actual causes are still to be revealed, but at least we have some idea on what the non- Hodgkin lymphoma causes may be.

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