Why you should stop chugging so many energy drinks
We’ve all seen them before. The cans, small shots, and uniquely packaged drinks that promise to give you an energy boost during the most important parts of your day. At first glance, it seems like a great idea: chug it down and get reinvigorated for the day. But, if you go beyond wanting to simply stay alert and begin to overindulge, you could wind up doing some serious harm to your body.
Energy drinks became the beverage of choice for many service members during the wars in Afghanistan and Iraq. The Walter Reed Army Institute of Research analyzed data collected during Operation Enduring Freedom in 2010 and found nearly 45 percent of deployed service members consumed at least one energy drink daily. Nearly 14 percent reported drinking three or more per day.
Many of the most popular energy drinks are heavily marketed to young people, including military members. The marketing is sexy, the packaging is slick, the flavors are sweet like fruit drinks children crave, and the beverages are readily available on military bases and down range.
But, there are real reasons to avoid overusing energy drinks.
Energy drinks can cause drastic side effects
Energy drinks are loaded with caffeine, and too much of it isn’t good for you. Dr. Patricia Deuster, professor and director of the Consortium for Health and Military Performance at the Uniformed Services University of the Health Sciences, warns service members to avoid consuming more than 200 mg of caffeine every four hours. That means service members should add up the caffeine in their energy drinks, plus any other caffeinated beverages they may drink, like coffee and soft drinks.
“If it’s got more than 200 mg of caffeine, don’t use it,” cautions Deuster.
Deuster also warns female service members to be cautious about using energy drinks, noting the amount of caffeine you ingest relative to body weight is an issue for women. “Women get a higher concentration [of caffeine] since they tend to be smaller,” she said.
“Doctors don’t know what the effects of [energy drink] ingredients are in larger doses,” Deuster noted. “I don’t think anybody has an answer to the long term effects question.”
High amounts of caffeine can lead to increased blood pressure, panic attacks, heart palpitations, anxiety, dehydration, insomnia, and even bowel irritability when energy drinks are mixed with alcohol.
What is clear is consumers need to be more aware about what they’re putting in their bodies when it comes to energy drinks.
Energy drinks can activate your sweet tooth
Energy drinks are loaded with sugar. Some cans pack a punch of 27 grams of sugar — two thirds of the recommended daily maximum for men, and 2 grams more than the maximum doctors recommend for women. Some service members can double or even triple that if they drink more than one energy drink per day.
The Centers for Disease Control and Prevention recommend keeping your intake of added sugars to less than 10 percent of your total daily calories.
They can make you pack on the pounds
All of that extra sugar can cause your blood sugar to increase. Even the sugar-free versions of energy drinks can lead to weight gain, as research suggests artificial sweeteners may raise blood sugar, too.
Your body can also begin storing fat, especially if you’re unable to increase physical activity.
Energy drinks + alcohol = a dangerous cocktail
Energy drinks have become popular mixers for alcohol, raising concerns for health experts.
“A lot of the young people mix energy drinks with alcoholic beverages, then you’ve got a wide awake drunk,” says Deuster.
The CDC warns that when alcoholic beverages are mixed with energy drinks, the caffeine stimulant can mask the effects of the alcohol, which is a depressant. Often, the person drinking doesn’t even realize that they’re actually drunk. According to the CDC, that means people who mix alcohol with energy drinks are three times more likely to binge drink than those who don’t mix alcohol with energy drinks. Experts warn motor skills can be affected and some people engage in riskier behaviors while under the influence of alcohol and energy drinks. Additionally, both caffeine and alcohol are diuretics, which can cause dehydration if you’re not careful.
Some companies sell pre-mixed alcoholic energy drinks which have the same sweet or tart flavors as standard energy drinks. As the Army notes, the alcohol content in these beverages can be significantly higher than what’s found in beer.
These energy drinks with alcohol may appeal to underage drinkers because they’re cheaper than hard liquor and they’re marketed with a message that the drinker can last all day or all night long. The sugary nature of the beverages also makes drinkers feel they can imbibe longer than if they were having harder alcohol.
Energy drinks can ruin your good night’s sleep
Deuster raises concerns about a problem in the military with energy drinks and sleep. And, the data back up those concerns. While service members may initially use energy drinks to make up for a lack of sleep, overuse can lead to a harmful cycle. Excess consumption of energy drinks can cause sleep problems and hamper performance.
Dr. Nancy J. Wesensten, from the Center for Military Psychiatry and Neurosciences Research, tells Army Medicine that research on caffeine shows that it can be effective if used properly. However, Wesensten notes “because caffeine impairs sleep, individuals should stop all caffeine consumption at least 6 hours prior to scheduled sleep. Otherwise, sleep could be impaired without the person even being aware of it.”
As caffeine is the major ingredient in energy drinks, the CDC reports service members who drink three or more energy drinks per day were significantly more likely to report sleeping fewer than four hours per night. They were also more likely to report disrupted sleep and other illnesses. Lack of sleep can impact memory and a service member’s ability to pay attention when it matters most. Research indicates service members who drank three or more energy drinks each day also had difficulty staying awake during briefings or on guard duty.
The Army’s Performance Triad offer tips on how to get a better night’s sleep, including controlling light and temperature, as well as leaders ensuring service members have time for quality sleep.
You really don’t know what’s in them
Energy drinks are not regulated as dietary supplements. While the cans have nutrition labels, many do not list supplement information.
One area that’s concerning to Deuster is the ingredient taurine. The chemical compound is an amino acid found in animal tissue. Many energy drink makers purport the ingredient will enhance mental and physical performance. Researchers with the Department of Veterans Affairs Medical Center report little is actually is known about taurine’s neuroendocrine effects.
So, what should service members use instead of energy drinks?
Deuster keeps it simple: “Good old water.” Appealing to service members’ frugality, she adds,
“If you want to save money, drink water.”
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