Drinking an energy drink can cause your heart to contract more quickly up to an hour after consuming the beverage, a new study has found.
German researcher Jonas Dorner said the effects of energy drinks with high amounts of caffeine and the amino acid taurine haven't been studied.
Dorner used cardiac magnetic resonance imaging to watch the effect of energy drinks on the heart function of 18 healthy volunteers. The participants consumed an energy drink that had 400 mg of taurine and 32 mg of caffeine (coffee can have between 90 and 200 mg of caffeine).
Dorner said children and teens, and those with heart problems, should avoid energy drinks.
The study was scheduled to be presented Monday at the annual meeting of the Radiological Society of North America in Chicago.
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