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J Cancer Epidemiol. 2012;2012:978930. Epub 2012 Sep 12.

Current understanding of lifestyle and environmental factors and risk of non-hodgkin lymphoma: an epidemiological update.

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  • 1Division of Environmental Health Sciences, Yale School of Public Health, New Haven, CT 06510, USA.

Abstract

The incidence rates of non-Hodgkin lymphoma (NHL) have steadily increased over the last several decades in the United States, and the temporal trends in incidence can only be partially explained by the HIV epidemic. In 1992, an international workshop sponsored by the United States National Cancer Institute concluded that there was an "emerging epidemic" of NHL and emphasized the need to investigate the factors responsible for the increasing incidence of this disease. Over the past two decades, numerous epidemiological studies have examined the risk factors for NHL, particularly for putative environmental and lifestyle risk factors, and international consortia have been established in order to investigate rare exposures and NHL subtype-specific associations. While few consistent risk factors for NHL aside from immunosuppression and certain infectious agents have emerged, suggestive associations with several lifestyle and environmental factors have been reported in epidemiologic studies. Further, increasing evidence has suggested that the effects of these and other exposures may be limited to or stronger for particular NHL subtypes. This paper examines the progress that has been made over the last twenty years in elucidating the etiology of NHL, with a primary emphasis on lifestyle factors and environmental exposures.

PMID:
23008714
[PubMed]
PMCID:
PMC3447374
Free PMC Article
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