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Coffee

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AHA Says Up to 400 mg of Caffeine Daily Is Likely Safe for Most Healthy Adults

The statement synthesizes observational studies plus emerging randomized trials, urging clinicians to individualize advice because effects differ by preparation, dose, or patient risk.

AHA Says Up to Five Cups of Coffee a Day Is Safe for Most Adults

Coffee, With or Without Caffeine, Alters Gut Microbes and Eases Stress, Study Finds

Moderate Caffeinated Coffee or Tea Linked to Lower Dementia Risk, JAMA Study Finds

Tea Linked to Slightly Higher Bone Density in Older Women — Heavy Coffee Tied to Lower Levels

Daily Coffee Lowers AFib Recurrence in Randomized Trial