Renal cell cancer and exposure to gasoline: a review.

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Abstract
A review of the epidemiology of renal cell cancer is presented. Risk factors for renal cell cancer such as cigarette smoking, obesity, diet, and use of analgesics and prescription diuretics are examined. Although uncommon, occupational risk factors are also reviewed. Studies examining gasoline exposure and renal cell cancer are evaluated, including investigations recently presented at a meeting on this topic. Overall, most studies find no link between gasoline exposure and renal cell cancer; moreover, the experimental evidence that initiated the health concern is no longer considered relevant to humans. Positive associations, however, reported in two recent studies prevent a firm conclusion of no risk for this exposure.