For most adults, a daily caffeine habit may be safer for the heart than many people assume. A new American Heart Association review found that up to 400 milligrams of caffeine a day, roughly three to five cups of regular black coffee, is generally safe and may even be linked to lower risks of he...

Source: [ScienceDaily](https://www.sciencedaily.com/releases/2026/07/260721000820.htm)

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