Coffee may cause a short-term spike in blood pressure, but researchers say that doesn’t mean it’s harming your heart in the long run. Caffeine can temporarily stimulate the heart and tighten blood vessels, especially in people who don’t regularly drink coffee. However, large studies involving hundreds of thousands of participants found no strong evidence that moderate coffee consumption increases the risk of hypertension. In fact, coffee also contains beneficial natural compounds that may support healthier blood vessel function. Scientists say the overall impact of coffee on heart health appears more balanced than many people assume, suggesting that moderate coffee drinking may not be as risky for blood pressure as once feared.
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