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Is coffee beneficial to heart health?

 Researchers have been examining coffee's effects on heart health because it's still one of the most popular drinks in the world. A number of recent studies have shown conflicting results, indicating that excessive caffeine consumption may be harmful while moderate coffee consumption may have protective effects.


The possible effects of coffee on cardiovascular health have been clarified by recent research, igniting fresh curiosity and complex viewpoints.


Regular coffee consumption reduces the risk of diabetes and heart disease:


200–300 mg of caffeine per day, or around two to three cups of coffee, may reduce the risk of type 2 diabetes, coronary heart disease, and stroke by up to 48%, according to a study published in the Journal of Clinical Endocrinology & Metabolism.


While interventional cardiologist Dr. Cheng-Han Chen pointed out the potential advantages of coffee's other components, such as flavonoids and polyphenols, registered dietitian Melanie Murphy Richter emphasized caffeine's function in improving insulin sensitivity, which promotes heart health.


Caffeine overuse is associated with a higher risk of cardiovascular disease:


High caffeine intake (around 400 mg or four cups of coffee per day) was associated with an increased risk of hypertension and cardiovascular events, according to another study presented at the ACC Asia 2024 Conference in India. Dr. Nency Kagathara, the lead researcher, cautioned that long-term caffeine use may affect the autonomic nervous system and increase the risk of heart disease.


Stroke risk is different for each beverage and amount:


Over four cups of coffee a day may raise the risk of stroke by 37%, according to research published in the Journal of Stroke. Nonetheless, moderate consumption of tea and coffee (3–4 cups per day) was linked to a lower risk of stroke, indicating regional variations in results.


Coffee has no connection to vascular stiffness:


According to a Queen Mary University of London study, there were no appreciable variations in arterial stiffness between people who drank large or small amounts of coffee. This implies that coffee consumption, whether moderate or high, may not be as detrimental to vascular health as previously thought. The high-consumption group in the study drank an average of five cups daily, with some individuals consuming as much as 25 cups, according to the researchers.


Views of experts:


Although coffee's effects on heart health vary, the new research allays concerns about arterial stiffness from frequent coffee use, according to Professor Metin Avkiran of the British Heart Foundation.


Moderation is still essential, though. Vascular surgeon Dr. Christopher Yi suggested that because of coffee's complicated effects, "moderation is safer than excessiveness."


These results highlight the fact that although coffee may have some health benefits, excessive use may outweigh them, particularly for people who already have heart disease.

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