Coffee & High Blood Pressure

Coffee & High Blood Pressure
Physicians often advise patients with high blood pressure to avoid drinking coffee. The caffeine in coffee increases heart rate and can cause sleep problems. Spanish researchers, using a technique called meta-analysis, combined the results of five studies on the relationship between coffee drinking and heart disease risk factors. A cup of coffee containing 200-300 milligrams of caffeine increased systolic blood pressure by 8 mmHg and diastolic pressure by nearly 6 mmHg. However, the increases lasted a short time and habitual coffee drinking had no effect on blood pressure control in people with high blood pressure. Studies do not support prohibiting coffee drinking in people with high blood pressure. (American Journal of Clinical Nutrition, 94: 1113-1126)

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