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Caffeine-Stoked Energy Drinks Worry Docs
Rumors have swirled around Red Bull for years. Contrary to hearsay, the ingredient taurine (an amino acid important in making bile to aid digestion) is not made from bull urine, and Mateschitz did not learn about Red Bull from rickshaw drivers in Thailand. The urban legends-debunking Web site http:/
No evidence was ever found that sudden deaths in Ireland and Sweden were caused by people drinking Red Bull. But it's true that the Swedish government studied energy drinks and recommended they not be used to quench thirst or replenish liquid when exercising. And they should not be mixed with alcohol.
  Dan Mayer sits near a display of some of the cans of energy drinks that he has tested for his blog on the product, in his home near downtown Denver, Thursday, Oct. 26, 2006. More than 500 new energy drinks will be released worldwide this year alone, which will add to the already vast selection of the product now available on store shelves. (AP Photo/David Zalubowski) (David Zalubowski - AP) |
Too late. Anheuser-Busch and Miller Brewing now produce several "energy beers" _ beer containing caffeine. And Red Bull and vodka _ mixed up by bartenders who call it a Friday Flattener or a Dirty Pompadour _ has been popular for a decade. On Red Bull's MySpace page, the product's 11,000 "friends" include alcohol products, which also have their own MySpace pages.
A Brazilian study found college students didn't feel as drunk as they actually were after drinking vodka and Red Bull. Their perception of their coordination and reaction time didn't match objective tests.
The potential for accidents and alcohol poisoning worries Dr. Sandra Braganza, a pediatrician and nutrition expert at the Children's Hospital at Montefiore in New York. As she prepared to write an article about energy drinks for a pediatrics journal, she was surprised how little published research she could find on them.
"The truth is, we don't know what kind of effects these ingredients can have," Braganza said of taurine, glucuronolactone and guarana. "We have to start doing more studies on this."
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"How much of your favorite energy drink or soda would it take to kill you? Take this quick test and find out." _ From a "Death by Caffeine" calculator on the Web site, http:/
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Earlier this month, a new study found a surprising number of caffeine overdose reports to a Chicago poison control center. These involved young people taking alertness pills such as NoDoz or energy drinks, sometimes mixed with alcohol or other drugs. During three years of reports to the center, the researchers found 265 cases of caffeine abuse. Twelve percent of those required a trip to the hospital. The average age of the caffeine user was 21.
"Young people are taking caffeine to stay awake, or perhaps to get high, and many of them are ending up in the emergency department," said Dr. Danielle McCarthy of Northwestern University, who conducted the study. "Caffeine is a drug and should be treated with caution, as any drug is."
How much caffeine do energy drinks contain? A University of Florida study found that some products, although served in cans two-thirds the size of a standard can of Coke, contain two to four times the amount of caffeine as that Coke. Energy drinks are unregulated in the United States, but the authors of the University of Florida paper suggest warning labels for them.
