It seems like everyday a new study is published purporting another benefit of drinking coffee. To wit: coffee may reduce the risk of aggressive prostate cancer. A recent study of over 48,000 males has found that those who regularly consumed the most coffee (six or more cups daily) had a 60% lower risk of developing advanced prostate cancer compared to non-drinkers. Six cups of coffee does seem excessive, although even one to three cups daily was linked to a 30% lower risk. Whether or not the coffee is caffeinated was found to be irrelevant. Thus, it appears that the polyphenols within coffee which are antioxidants may have a positive impact in lessening prostate cancer severity. This potential benefit of coffee is plausible since there is evidence among other studies which indicate that coffee improves blood sugar control (i.e., possibly reducing the onset of type-2 diabetes), has anti-inflammatory effects, and affects sex hormone levels. All of these aspects play a role in the progression of prostate cancer.
Other purported beneficial effects from drinking coffee include weight loss, decreased depression, decreased cognitive decline (Journal of Alzheimer's Disease, 2011), increased muscle growth, increased life expectancy (New England Journal of Medicine, 2012), and decreased risk of gout, type-2 diabetes (American Journal of Clinical Nutrition, 2013), heart disease, stroke (American Journal of Epidemiology, 2011), Parkinson's disease (Experimental Neurobiology, 2012), Alzheimer's disease risk, and various cancers including colorectal, liver, bladder, endometrial, pancreatic, and prostate cancer (Journal of the National Cancer Institute, 2011).
Norwegian scientists have published a study in the journal BMC Research Notes which seems to indicate a correlation with decreased physical pain and coffee ingestion.
I would say the benefits of drinking coffee far outweigh the risks--but remember, moderation (i.e., three or less cups daily) is the key! Drinking more than three cups of caffeinated coffee daily may increase blood pressure.
Brian Danley, CFT
"Motivation is what gets you started. Habit is what keeps you going."
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I'm a personal trainer who loves to help others fulfill their health and fitness goals. I consider myself a bodybuilder in that I live the lifestyle of eating healthy food, working out regularly, and sculpting my body.