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The bitter truth: 25 cups of coffee a day might not be healthy | Diet and Nutrition | Heart | UT Southwestern Medical Center
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You can drink up to 25 cups of coffee a day without harming your heart: study - National | Globalnews.ca
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arterial stiffness: Myth busted: Consuming even as many as 25 cups of coffee a day may not hurt heart health - The Economic Times
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