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This was also true for pancreatic cancer; a study in 1981 showed a possible association with coffee consumption, but most studies since then have not shown a statistically significant relationship.
This study also showed that coffee consumption reduced risk of colorectal cancer, particularly cancer centered in colon.
The Department of Medicine at Harvard Medical School and Brigham and Women's Hospital in Boston, Massachusetts, also did a statistical analysis of twelve published articles pertaining to relationship between coffee consumption and reduced risk of colorectal cancer. This analysis determined that lower risk of colorectal cancer due to coffees was particularly observed in studies from Asia, Northern and Southern Europe, and North America.
While analysis could not definitively state that there is a relationship due to difference in ways various studies were conducted, results did indicate as previously published that coffee consumption lowered risk of colorectal cancer.
The Department of Nutrition at Harvard School of Public Health in Boston, Massachusetts, looked at possible relationship between coffees consumption and gallstones.
The researchers particularly examined relationship between cholecystectomy, a surrogate of symptomatic gallstone disease, and coffees consumption in women. Over twenty years, over 80,000 women were studied to watch for various gastrointestinal health issues.
The researchers found that drinking caffeinated coffees reduced risk of symptomatic gallstone disease in women. The same institute also studied this same relationship between coffees consumption and gastrointestinal health issues in men. Over 46,000 men were surveyed.
This study found that increasing intake of caffeinated coffees (four or more cups daily) decreased risk of symptomatic gallstone disease. In total, these studies have shown that there may be some relationship between consumption of caffeinated coffees and reduction of risk of several gastrointestinal health issues.
These studies showed that there is a significant probability of benefit with regards to cirrhosis of liver, colorectal cancer, and gallstones. There was not enough data to conclusively state same about other cancers, including that of bladder and pancreas.
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You can find more articles on coffee such as Coffee and Depression and Coffee Colonics.