Coffee Can Protect the Heart, But Only One Type; Others Have the Opposite Effect

While coffee is often debated for its health impacts, experts emphasize that specific preparation methods unlock its cardiovascular benefits. A recent analysis suggests that filtered coffee, along with instant coffee, is linked to a lower risk of serious health issues, including type 2 diabetes, stroke, and heart failure. Cardiologist Dr. Jennifer Miao noted that coffee consumption might be associated with these benefits, though its effect on blood pressure remains complex.

This perspective marks a shift from earlier recommendations, which often advised individuals with heart conditions to avoid caffeine. The latest findings indicate that for patients undergoing treatment for heart rhythm disorders, regular coffee intake could decrease the likelihood of arrhythmia recurrence by as much as 39%. Furthermore, the analysis revealed that consistent coffee drinkers showed a 20% to 30% lower risk of developing type 2 diabetes.

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Coffee may be associated with a lower risk of type 2 diabetes, stroke, and heart failure, although its effect on blood pressure is more complex and the research results in this area are not entirely unambiguous.

However, the method of coffee preparation is crucial. The American Heart Association highlights that filtered coffee offers the most significant health advantages. In contrast, unfiltered coffee, prepared using methods like a French press, espresso machine, or Turkish coffee brewing, contains higher levels of cafestol. This natural compound has been shown to elevate LDL, or "bad" cholesterol, contributing to the development of atherosclerosis.

Experts also draw a firm line between coffee and energy drinks. The positive health associations apply solely to coffee and not to energy drinks or concentrated synthetic caffeine products. Dr. Miao stated that the American Heart Association clearly distinguishes coffee from energy drinks, which are consistently linked to increased cardiovascular problems. High consumption of energy drinks can trigger dangerous heart rhythm disturbances and even lead to cardiac arrest.

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The American Heart Association clearly distinguishes coffee from energy drinks, which can cause serious damage to the cardiovascular system.