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Study Finds, Energy Drinks Jolt Blood Pressure

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Updated: Wednesday, Apr 29,2009, 10:18:48 AM
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High increasingly popular energy drinks caffeine drinks May do more than give a boost of energy - in May they also boost the heart rate and blood pressure, researchers said Tuesday. 
The results of a small study prompted researchers to advise people tcmwell.com

High increasingly popular energy drinks caffeine drinks May do more than give a boost of energy - in May they also boost the heart rate and blood pressure, researchers said Tuesday. The results of a small study prompted researchers to advise people ...

 

High increasingly popular energy drinks caffeine drinks May do more than give a boost of energy - in May they also boost the heart rate and blood pressure, researchers said Tuesday.
The results of a small study prompted researchers to advise people who have high blood pressure or heart disease to avoid energy drinks because they could impact their blood pressure or change the effectiveness their drugs.

The drinks generally have high levels of caffeine and taurine, an amino acid in the protein-rich foods such as meat and fish that can affect heart function and blood pressure, researchers said. "We saw increases in blood pressure and heart rate in healthy volunteers who were seated in a chair watching movies. They are not the year. They were in a state of rest," James Kalus of Henry Ford Hospital in Detroit, who led the study, said in an interview.

These increases did not rise to dangerous levels in the group of 15 healthy volunteers, whose average age was 26, the researchers said.

But the increases could be important in people with cardiovascular disease or those taking medications to lower heart rate or blood pressure, they told a meeting of the American Heart Association in Orlando, Florida. "While the amount of caffeine in energy drinks or coffee and May cause mild temporary increase in blood pressure, it has no more effect than walking on a stairway," the American Beverage Association industry group said in a statement in response to the conclusions.

"While energy drinks finger in a unique manner, particularly when compared to a more commonly consumed caffeine drinks like coffee, does not provide a context and for consumers."

BOOSTING ENERGY
The products have names like Full Throttle, Amp and Rush. Red Bull, the Austrian company Red Bull GmbH, is a market leader. Beverage companies market various energy drinks as soft drinks that can reinforce a person of energy.

Kalus declined to say which brand of energy drink was used in the study. He said the drinks generally contain ingredients, adding: "By giving the brand, it would dilute the message that these beverages should be examined."

Coca-Cola Co. makes Full Throttle.
Study participants were asked not to consume other forms of caffeine for two days before the start of the study, then across a study in which it uses half cans of energy drinks daily over seven days. Each can contained 80 milligrams of caffeine and 1000 mg of taurine.

The volunteers' heart rate increased by about 8 percent on the first day and 11 percent on the seventh day. Maximum systolic blood pressure - the top number in blood pressure represents the pressure while the heart is contracts - rose by 8 percent the first day and 10 percent on the seventh day, the study showed.


Hypertension

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