Coffee Drinking Associated With Lower Risk Of Dying
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The results of a study of men and women revealed a lower risk of mortality among coffee drinkers over an average of 18.7 years of follow-up in comparison with those who did not consume the beverage.*
The study included 90,914 participants in the Japan Public Health Center-based prospective study who had no history of heart attack, stroke or cancer upon enrollment. Surveys completed at the beginning of the study provided information on coffee intake and other data. The subjects were followed for an average of 18.7 years, during which 12,874 deaths occurred.
In comparison with those who reported almost never drinking coffee, occasional drinkers who consumed less than a cup a day had a 9% lower risk of dying from any cause over follow-up, while those who consumed one to two cups and three to four cups experienced reductions of 15 and 24%, respectively.
Editor’s Note: As possible mechanisms for coffee against cardiovascular disease, authors Eiko Saito of Japan’s National Cancer Center and colleagues observe that the beverage is rich in chlorogenic acid, which slows the rate of glucose absorption and lowers blood pressure. Additionally, caffeine boosts endothelial function by activating nitric oxide synthases and promoting endothelial repair. Coffee also contains pyridinium, which helps prevent excessive blood clotting. In regard to respiratory disease, caffeine is known to act as a bronchodilator, which improves pulmonary function. Furthermore, chlorogenic acid has been associated with a reduction in the risk of mortality due to inflammation.
Reference
*Am J Clin Nutr. 2015 May;101(5):1029-37.
