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January 24/31, 2007

Green Tea Consumption and Mortality in Japan

Author Affiliations

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2007;297(4):360-361. doi:10.1001/jama.297.4.360-a

To the Editor: The study of green tea consumption and mortality by Dr Kuriyama and colleagues1 concluded that green tea consumption is associated with reduced mortality due to all causes and due to cardiovascular disease but not with reduced mortality due to cancer. I believe that these conclusions can only be made for consumption of 100 to 500 mL/d of the green teas purchased in northeastern Japan.