In study, drinking 6 or more cups per day was linked to reduced odds for aggressive disease, but more research needed
TUESDAY, May 17, 2011 (HealthDay News) -- Men who drink at least six or more cups of coffee a day may be cutting their risk for advanced prostate cancer by 60 percent, new research suggests.
This is the first large study looking specifically at the relationship between coffee and metastatic prostate cancer, lead researcher Kathryn Wilson said. "This is an exciting finding, because there aren't many modifiable risk factors for prostate cancer."
A definite cause-and-effect link is still far from proven, experts say, and just how coffee might help thwart prostate malignancy isn't clear.
"There are a lot of compounds in coffee that have various biological effects. It's a major source of antioxidants and that might have anti-cancer effects," said Wilson, a research fellow in epidemiology at the Harvard School of Public Health, Boston. "Also, coffee seems to have effects on insulin and has been associated with a lower risk of type 2 diabetes. In addition, insulin is thought to play a role in many cancers, including prostate cancer."
Compounds in coffee also have an impact on sex hormone levels, according to the study.
But right now, the findings point...
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