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Caffeinated energy drinks can increase the heart's contraction rates in healthy people, according to a new study. While the potential health risks of this effect are still not known, researchers said the findings suggest people who have cardiac arrhythmia should avoid these drinks because arrhythmia could be triggered by changes to the heart's contraction rates. The study was presented at the annual meeting of the Radiological Society of North America; because it has yet to be published in a peer-reviewed journal, its results should be regarded as preliminary.
Then, an hour after consuming the drinks, all the participants underwent cardiac MRI to see if energy drink consumption had any effect on heart function.
They did not find that drinking the energy drink had any impact on blood pressure, heart rate or ejection of blood from the left ventricle. However, past research has shown a link between energy drink consumption and negative effects on blood pressure. A QT interval is "a measurement made from the ECG [electrocardiogram] of the time from the onset of the electrical wave in the heart to when the entire heart has reset and is ready for the next beat," according to Duke Health.
Energy drinks have been linked with a number of recent deaths and hospitalizations, including the death of 14-year-old Anais Fournier, who died after drinking two Monster drinks in a 24-hour-period. While 400 milligrams of caffeine a day is regarded as a safe amount of caffeine consumption for adults (equivalent to four to five cups of coffee), the Food and Drug Administration noted that there is no set "safe" level for children, though kids and teens are discouraged from caffeine consumption by the American Academy of Pediatrics. The FDA announced earlier this year that it is investigating the safety of food and drink products that have caffeine added to them, particularly their effects on kids and teens. Manufacturers can add it to products if they decide it meets the relevant safety standards, and if they include it on the ingredient list. Energy drinks high in caffeine change the way the heart beats and could increase the risk of potentially fatal heart rhythm problems, researchers have warned.


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Energy drinks significantly increase heart contraction rates in healthy young adults according to an ongoing study reported at the Radiological Society of North America (RSNA).
Get FREE access to authoritative breaking news, videos, podcasts, webinars and white papers. An article in The Academy of General Dentistry, examined the acidity levels numerous drinks to see how they would impact a tooth’s enamel. The researchers found that the participants' hearts had increased contraction rates -- indicated by increased peak systolic strain in the heart's left ventricle -- after drinking the energy drinks. Research presented at an American Heart Association meeting this year examined data from seven other studies, and found that energy drink consumption seemed to increase systolic blood pressure (the top number in a blood pressure reading), as well as increase the QT interval by 1 milliseconds. Fournier had a heart condition called mitral valve prolapse; after drinking the energy drinks (which had a combined 480 milligrams of caffeine), the Maryland teen went into cardiac arrest and died from cardiac arrhythmia due to caffeine toxicity. A recent study from University of Miami researchers also noted that kids will find no benefit from energy drinks, and that they could potentially be dangerous.
While various uses may meet federal food safety standards, the only time FDA explicitly approved adding caffeine was for colas in the 1950s. Poonam Jain, director of the community and preventive dentistry program at Southern Illinois University in Edwardsville, said in a news release that many patient are surprised to learn how bad these drinks are for teeth.
Jennifer Bone, spokesperson for Academy of General Dentistry, the organization that publishes the journal, said in the statement that teens and adults should curb their intake of these types of drinks. The dental practice is a progressive cosmetic, restorative and preventative family dental practice.


We’ll give you an experience that will change your mind about going to the dentist and even make you feel good about coming back. But since some of our athletes need more energy to boost performance, I’d like to suggest to choose natural energy drink wisely! These drinks causes heart palpitation that stimulates the saliva glands that is prone to salivating problems on both awake and asleep. Aside from health risks from increase blood pressure and heart rate dental risks are also becoming apparent.
Human enamel was immersed into each beverage for 15 minutes, followed by artificial saliva for two hours, four times per day over a five-day period.
If they’re going to drink one anyway, she recommends they chew sugar-free gum or rinse their mouth with water after drinking the beverage.
We provide our patients with the most comprehensive dentistry available in a comfortable state-of-the art facility, the planet can be proud of. Our services are designed to maintain the health of our patients’ teeth, improve their overall oral wellness and provide beautiful smiles. Our team works to empower patients with the knowledge necessary to make educated choices about their dental treatment options.
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