Article Abstract:
Men who are obese or have high blood pressure have a greater risk of developing a type of kidney cancer called renal cell cancer than other men. This was the conclusion of researchers who followed 363,992 Swedish men from 1971 to 1995. Smokers also had a higher risk than non-smokers.
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Article Abstract:
A stomach ulcer appears to increase the risk of stomach cancer but a duodenal ulcer seems to reduce the risk. Researchers followed 57,936 patients with stomach or duodenal ulcers for up to 24 years. Within the first 2 years, the patients with stomach ulcer developed stomach cancer at 20 times the rate expected, but the rate dropped to twice that expected after 5 years and remained stable. Those with duodenal ulcer were 40% less likely to develop stomach cancer. Stomach ulcer and stomach cancer may be caused by the same underlying conditions.
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Article Abstract:
Histologically confirmed incident cases of renal cell cancer were studied in Minnesota, 1988-1990. Estimates have been made of the proportion of renal cell cancer cases attributable to well-established risk factors and more speculative risk factors and high parity among women. Population attributable risks (PARs) for the three main risk factors were 21% for hypertension, 21% for excess weight and 18% for smoking, either past or current. The three factors accounted for 49% of the cases. Including the three more speculative risk factors the proportion came to 60%.
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