Coffee consumption is not associated with an increased risk of prostate cancer, Korean researchers concluded in a report published online in BJU International.
A team led by Chang-Hae Park, MD, and Seung-Kwon Myung, MD, of the National Cancer Center in Goyang, analyzed data from 12 epidemiologic studies (eight case-control studies and four cohort studies). When compared with the lowest level of coffee consumption, the highest level of consumption was associated with a 16% increased risk of prostate cancer. In seven case-control studies, they found a significant 21% increased risk of prostate cancer associated with coffee consumption. However, the four cohort studies demonstrated no significant association.
“Given that a cohort study gives a higher level of evidence than a case-control study, there is no evidence to support a harmful effect of coffee consumption on prostate cancer risk,” the investigators concluded.