Abstract: . . .  US there will be approximately 62,000 new cases in 2004, and in Canada 7,000 new cases. The five most common cancers in North America in order are: Prostate, Breast, Lung, Colon, Lymphoma . Part of the reason most people are unaware of Lymphoma is because it used to be so rare. Why is it on the increase Scientists are still not sure what is causing the dramatic increase in cases of Lymphoma but environmental factors such as herbicides, pesticides and other chemicals may be one cause of increased risk. People who already have compromised immune systems are also at higher risk for getting Lymphoma . This includes people with diseases such as Lupus, Rheumatoid Arthritis, . . .
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