Energy drinks are harmful to heart patients

Energy drinks are still advertised as a tiring beverage when exercising. But in fact, it contains some substances that can cause effects that you don't want.

Energy drinks have a major component of caffeine and taurine (amino acids that exist in low levels in meat and fish). These two substances enhance the body's ability and reflexes , but also increase heart activity and blood pressure.

A recent study showed that only after drinking 2 cans of hypertension blood pressure and heart rate of normal people increased significantly

The study was carried out by Wayne State University and recently published in the 2007 Conference of the American Heart Association.

The subject of this study, including 7 men and 8 women, averaged 26 years old, had average health

Energy drinks: Dangerous!Artwork warns of the dangers of using tonic water (Photo: www.wfaa.com)

Usually, it is required to abstain from caffeine (available in coffee and a few other foods) for 2 days, then get blood pressure and heart rate measurements as standard.

Continuously for the next 7 days, each day they were given 2 cans of energy drinks and repeated the above tests at 30 minutes, 1, 2, 3, 4 hours after drinking.

According to the results, after 2 hours, their blood pressure and heart rate increased by more than 7%, on Saturday, the figure was 9.5% to 11%.

Dr James Kalus, deputy director of the Hospital Care Department of Henrry Ford Hospital, who was also a researcher at Wayne State University, said: " Although there is no significant impact on healthy people, but increases Blood pressure and heart rate are very harmful for cardiovascular patients ".

Usually each can of energy drinks contains caffeine equivalent to 1 to 2 cups of coffee. With that amount of caffeine, it takes 2 to 3 days for the body to empty it. Some energy drinks may contain higher levels, if taken regularly, caffeine will be stored in the body and cause long-term effects.

Besides recommending heart patients to avoid energy drinks, Kalus also advises people not to mix energy drinks with alcohol to drink, nor to drink energy drinks after exercising, because of alcohol (is stimulants), and sports activities in itself have the effect of increasing blood pressure and heart rate, so do not use in combination with energy drinks.

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