Coffee & Prostate Cancer

It seems that a recent Harvard study (http://www.ncbi.nlm.nih.gov/pubmed/21586702) demonstrated that heavy coffee drinkers (6 or more cups/day) had a 20% decline in the incidence of prostate cancer with a dose-dependent decline in aggressive forms of the disease (up to 60% in the heaviest drinkers). Apparently, this association even holds in decaffeinated coffee drinkers!