Consuming just one energy drink can make a person’s blood vessels less efficient and increase the risk for a heart attack and stroke in 90 minutes, findings of a new study suggest.
John Higgins, from McGovern Medical School at the University of Texas Health Science Center in Houston, and colleagues involved 22 healthy and non-smoking medical students to test the effect of a 24-ounce energy drink on endothelial cells, the cells lining the blood vessels.
They then tested the function of these cells before and after the participants consumed an energy drink, and again after 90 minutes.
The researchers in particular looked at artery flow-mediated dilation, an ultrasound measurement that indicates overall blood vessel health.
David Katz, director of Yale University’s Yale-Griffin Prevention Research Center explained to HealthDay that endothelial function is generally a potent indicator of cardiovascular risk.
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