Researchers analysed data from two cohort studies, one included 41,736 male health professionals and the other 86,214 female nurses and found that regular coffee consumption was not associated with increased death rate in men or women.
In the female cohort, coffee consumption ( including decaffeinated coffee) were associated with significantly lower risk of death compared with no coffee. The reductions ranged from 7% among nurses drinking 5 to 7 cups a week, to 26% among nurses drinking 4 or 5 cups a day.
According to the findings, coffee seemed to protect both men and women against cardiovascular death but not death from cancer. However, critics said that recent studies have offered a mixed picture on the health benefit of coffee consumption.
Source : "The Relationship of Coffee Consumption with Mortality." Annals of Internal Medicine 17 June 2008:148(12); 904-914 (full text via Athens)
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