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Drink coffee for a healthy heart

A cup of coffee may keep your heart healthy by improving blood flow, says a study.

A study on 27 healthy adults showed for the first time that drinking a cup of caffeinated coffee significantly improved blood flow in a finger, which is a measure of how well the inner lining of the body’s smaller blood vessels work.

The research was presented at the American Heart Association’s Scientific Sessions 2013.

Specifically, participants who drank a cup of caffeinated coffee had a 30 percent increase in blood flow over a 75-minute period compared to those who drank decaffeinated coffee.

“This gives us a clue about how coffee may help improve cardiovascular health,” said Masato Tsutsui, M.D., Ph.D., lead researcher and cardiologist and professor in the pharmacology department at the University of the Ryukyus in Okinawa, Japan.

The study adds to a growing body of research about coffee, the most widely consumed beverage worldwide. Previous studies showed that drinking coffee is linked to lower risks of dying from heart disease and stroke, and that high doses of caffeine may improve the function of larger arteries, reports the Science Daily.