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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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Up to 25 cups of coffee a day still safe for heart health, study says - WSVN 7News | Miami News, Weather, Sports | Fort Lauderdale
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Research shows you can drink up to 25 cups of coffee a day without it affecting your arteries - Nottinghamshire Live
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