Some 47,911 US men were surveyed over the period 1986 to 2008 for the research. During this time some 5,035 of them developed prostate cancer with 642 dying of it.
According to analysis by investigating scientists, men who drank the most coffee (a fairly normal six-plus cups per day) had a 20 per cent lower risk of developing any kind of prostate cancer. If they did get prostate cancer, the java-swillers were much less likely to die from it than others: their risk of deadly prostate cancer was no less than 60 per cent lower than normal.
Even less thirsty coffee drinkers who only put away one to three cups daily saw their chance of deadly prostate cancer fall by a useful 30 per cent. With the original report here