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Scientists claim to have found a link between coffee consumption and a reduced risk of advanced prostate cancer 

While it is too early for doctors to start advising their male patients to take up the habit of regular coffee drinking, data presented at the American Association for Cancer Research Frontiers in Cancer Prevention Research Conference revealed a strong inverse association between coffee consumption and the risk of advanced prostate cancers 

In the study led by Kathryn Wilson, a postdoctoral fellow at the Channing Laboratory, Harvard Medical School and the Harvard School of Public Health, researchers found that men who drank the most coffee had a 60 per cent lower risk of aggressive cancer than those who did not drink any coffee 

'Coffee has effects on insulin and glucose metabolism as well as sex hormone levels, all of which play a role in prostate cancer. It was plausible that there may be an association between coffee and prostate cancer,' said Dr Wilson 

This is the first study of its kind to look at both overall risk of prostate cancer and risk of localised, advanced and lethal disease 

'Few studies have looked prospectively at this association, and none have looked at coffee and specific prostate cancer outcomes,' Dr Wilson revealed 

'We specifically looked at different types of prostate cancer, such as advanced versus localised cancers or high-grade versus low-grade cancers 

However, caffeine itself is not the key factor in this association, Dr Wilson claimed. The researchers are unsure which components of the beverage are most important, as coffee contains many biologically active compounds such as antioxidants and minerals 

'Very few lifestyle factors have been consistently associated with prostate cancer risk, especially with risk of aggressive disease, so it would be very exciting if this association is confirmed in other studies,' said Dr Wilson 

'Our results do suggest there is no reason to stop drinking coffee out of any concern about prostate cancer 

The researchers hope this association might also improve their understanding of the biology of prostate cancer and possible chemoprevention measures