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Matthew Edlund, M.D.

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Coffee vs. Energy Drinks: The Caffeine Wars

Posted: 09/07/10 08:30 AM ET

Caffeine may be the perfect drug of the Internet Age -- cheap, legal and available absolutely everywhere. For a population complaining of fatigue, exhaustion, stress and insomnia, it appears a near perfect antidote. Yet how we deliver our drug of choice changes the results on our brain and body.

So here's a quick review of some of the cultural, social and biological differences between coffee and energy drinks:

Culture: Few drinks can claim a place in the creation of the English, American, French and Russian revolutions, but coffee can. Beyond activating the minds of revolutionaries, coffee drinking is highly social, and for centuries coffeehouse owners have tried to make their businesses centers of community life. You don't bring kids to a bar. Coffeehouses can be a place to meet business colleagues, future mates and listen to the lonely local poet as you surf the net. By comparison, you drink energy drinks alone, unless your sports team is imbibing them together at half time.

Food and food products: Few would dispute that coffee is a food. Though often adulterated with a bewildering list of ingredients that begin in an organic garden and end in a petrochemical can, coffee does come from trees. Many advertisers hope coffee drinkers believe those trees are tended by picturesque third world planters who love their mountain misted arbors as much as their barefoot children, if only to justify the exorbitant price they pay for each cup. Some researchers argue half the antioxidants obtained by Americans come from their coffee cups, which as Michael Pollan would point out, tells you a great deal about the average American diet.

Energy drinks are not attached to such sentimental images. They are at best food products, legal pharmaceuticals, delivering a certain dose of caffeine plus sugar (with its quick calories) and vitamins. In real ways their "energy" components may originate with energy companies like BP, extending from the PET bottles from which they are normally dispensed to the flavorings, stabilizers and preservatives within.

Age: Coffee drinking starts early but often extends through a lifetime. The ritual of awakening and brewing a fine cup to activate the still sleepy brain is common to teenagers and 80-somethings. Yet few of us would expect grandma to knock back one or two cans of Monster Energy Drink every night. Energy drinks are the perceived province of youth.

Dose: Coffee comes in many different caffeine doses, from the 4-12 mg of decaffeinated brews to the 40-80 mg of the average cup to the hundreds of milligrams of special Starbucks and cappuccino brews. Energy drinks can range upward from low numbers to 200-300 mg of caffeine. Used regularly all such drinks create caffeinism, the addiction to caffeine which can move from the buzzing speed of the addict to the withdrawal hell of headaches, nausea, vomiting and terrifying sleeplessness.

Why Are Energy Drinks So Popular?
If coffee and tea are such culturally accepted ways to obtain caffeine, why are energy drinks so increasingly popular? The usual suspects can be trotted out: they provide a quick hit; the high doses; you can guzzle energy drinks anywhere and nobody will ask you to sit down and talk with them. However, there's a bigger invisible elephant lurking around -- the abolition of rest, and its biggest time component, sleep.

Rest Deprivation and the Need for Energy
Americans have knocked off 90 minutes of sleep in the last 40 years, and we're working overtime to shave off more. Working women are madly multitasking, hoping for 6.5 hours of shut eye before the next fast-paced day. Rest, as a chance to think, consider and reflect, seems as quaint an idea as scheduling a coffee break in an auto plant.

The situation is worse for adolescents and young adults. Teenagers lose about a third of their brain's synaptic connections when they enter puberty. Building the growing brain requires time and energy, and adolescents need about 9.5 hours of sleep to function and do marginally well in school.

These days they're getting perhaps 6.5 to 7.5 sleep hours a night. There's no point in resting when you're text messaging two hours a day, netsurfing, doing homework and playing video games while taking cell phone calls from Mom and Dad. Not getting enough rest to grow and rebuild their brains, let alone stay awake through morning classes, kids turn to energy drinks. Suddenly they've got the power to keep going.

Until they can't. Caffeine's drug half life is perhaps 5-10 hours for many, though it can extend to 16 or more hours for some. That means, in the good case, half the caffeine dose is gone in 5 hours, three-quarters in 10 hours, seven-eighths in 15 hours. For many, sizable blood levels of caffeine never go away -- which means they never properly sleep.

Stealth Energy Drinks
Adults differ only in degree. The parents of caffeinated children drink coffee to get through working days and nights to meet deadlines, or resort to the energy drinks that dare not speak their name, century old brands like Coke and Pepsi. Colas are just stealth energy drinks.

Yet from a national health standpoint, we're getting close to a tipping point. When people sleep less than six hours a night, they:

1. Gain weight

2. Start to look prediabetic

3. Get more coronary artery disease

4. Get more infections, especially colds

5. Get more depressed

6. Feel perpetually cranky, irritable and uncivil

Since sleep and rest are required for learning and memory, many of us suffer from buzzing brains with incessantly broken attention, making creative and productive thinking increasingly difficult, as Nicholas Carr demonstrates in his book "The Shallows."

And what's the standard answer to all this fatigue and tense exhaustion? More caffeine.

What We Can Do To Fix the Caffeine Fix:

1. Recognize rest is like food -- necessary for function and survival. Sleep deprive any animal long enough and it gets sick and dies. People need to get rest.

2. Recognize that caffeine is a drug -- an enormously pleasant and useful drug, but a drug whose "normal use" can abuse our bodies.

3. Use caffeine the way it's meant to be used -- as a food we love. Energy drinks may have their use in sports, where even the slightest edge can mean everything to competitors, or for shift workers tending a nuclear reactor at 1 a.m. But foods are social glues, cultural treasures and forms of celebration. We want to dine, not feed. We want to talk to our fellow imbibers, appreciate the taste of whatever caffeinated brew we're ingesting. It's fun to sip a cup among peers, family and friends, giving us a better chance to enjoy the buzz and enliven our brains.

 

Follow Matthew Edlund, M.D. on Twitter: www.twitter.com/therestdoctor

Caffeine may be the perfect drug of the Internet Age -- cheap, legal and available absolutely everywhere. For a population complaining of fatigue, exhaustion, stress and insomnia, it appears a near p...
Caffeine may be the perfect drug of the Internet Age -- cheap, legal and available absolutely everywhere. For a population complaining of fatigue, exhaustion, stress and insomnia, it appears a near p...
 
 
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11:45 PM on 09/10/2010
5 hour energy really saved me during a drive thru ( Idaho to Arizona ) gave me a buzz , but not the shakes , didn't make me aggressive. It sure tasted like hell on wheels !! I am curious if this was in the delivery system ?? Are the " delivery " systems highly manipulated to create a " direct hit" . Like when tobacco companies created chemical " recipes to create " free based" nicotine ???
" 5 hour energy , mainlining caffeine !!!!!!!!!
06:33 AM on 09/09/2010
freshly brewed coffee...me & my honey's rocket fuel! i take only 2-3 cups per day, he consumes the whole pot...bottoms up! i was shocked at first, but, i think it's part of him being totally in perfect shape @ 47...and coffee's an antioxidant, i believe.
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05:54 AM on 09/09/2010
Not tea bags, only loose leaf Persian, Arabic, Turkish or Indian tea blended with some Twinings Earl Grey. Coffee is also a must, but only with a press.
01:18 PM on 09/08/2010
I’m in the midst of weaning myself from 4cups to less than 2 a day. This is day 3 without the caffeine headache. As much as I enjoy Starbucks tall black Pike’s Roast it was too acidic. Dunkin Donuts coffee is just right. I find I enjoy it for the aroma and flavor now that I drink less. I still enjoy 1 unsweetened Assam Black Iced Tea, following lunch. Can’t go wrong with tea.
10:52 AM on 09/08/2010
Caffeinated Drinks should be banned. There should be no other source of caffeine but a nicely brewed cup of fine coffee.
10:43 AM on 09/08/2010
worth reading...
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dbmetzger
07:54 AM on 09/08/2010
Milk: The Best Sports Drink?
A growing number of studies that milk really does a body good, especially athletes. The results comes as scientists search for ways to hasten the recovery times of professional athletes
http://www.newslook.com/videos/248176-milk-the-best-sports-drink?autoplay=true
01:02 AM on 09/09/2010
Milk and other dairy products have also been associated with an increased risk for ovarian and prostate cancer. My source isn't PETA but Harvard's School of Public Health:
http://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/calcium-full-story/index.html
http://www.hsph.harvard.edu/news/press-releases/archives/2000-releases/press04042000.html
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Beth Boyle
12:30 AM on 09/08/2010
Sleep is a better solution then you don't need to pump yourself up all day with caffeine. I have one cup of coffee in the morning and never anymore than that and never any "energy" drinks. In winter I have a cup of tea after dinner.
09:07 AM on 09/08/2010
Rest is regeneration, and we replace our cells on a vast and fast scale. A balance of activity and rest can really make you healthy.
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Beth Boyle
09:11 PM on 09/08/2010
Exactly and trying to make up for the lack of rest with caffeine which after all is a drug is not wise. Americans are bad about getting enough sleep and out teens are terrible about getting the right amount.
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nightwind928
07:53 PM on 09/07/2010
Coffee...You can analyze it, vilify it and rationalize it...but I like it, I love it, I want some more of it!
09:07 AM on 09/08/2010
And you should. Socially, biologically, and medicinally, coffee can be very useful stuff.
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07:29 PM on 09/07/2010
Moderate Caffeine consumption can be a GOOD thing. It helps relieve asthma, contributes to weight loss, helps people think more clearly. But then I also believe that SLEEP is a GOOD thing too!
Do BOTH...if you like caffeine, have a moderate amount and don't have any in the afternoons or too close to bedtime, then GO TO BED and sleep 9 or 10 hours of sleep....you won't miss the junk on TV.
09:09 AM on 09/08/2010
Most of us may not need 9 to 10 hours of sleep, but combining sleep with proper activity makes much sense. An easy way to do it - go FAR - Food, Activity, and Rest as a cycle to make the day more musical. Every time you eat, you move.
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rcpmac
07:01 PM on 09/07/2010
"Coffee comes in many different caffeine doses, from the 4-12 mg of decaffeinated brews to the 40-80 mg of the average cup to the hundreds of milligrams of special Starbucks and cappuccino brew"

Not true and it makes me wonder about the author's integrity. Just making stuff up?

While espresso has more caffeine per unit volume than most beverages, compared on the basis of usual serving sizes, a 30 mL (1 US fluid ounce) shot of espresso has about half the caffeine of a standard 180 mL (6 US fluid ounces) cup of drip brewed coffee, which varies from 80 to 130 mg,[1] and hence a 60 mL (2 US fl oz) double shot of espresso has about the same caffeine as a 180 ml (6 US fl oz) cup of drip brewed coffee. In coffee brewing terms, espresso and brewed coffee should have the same extraction (about 20% of the coffee grounds are extracted into the coffee liquid), but espresso has a higher brew strength (concentration, in terms of dissolved coffee solids per unit volume), due to having less water.
09:10 AM on 09/08/2010
Sorry, not making things up. Caffeine contents vary greatly from brew to brew, and the US is not the only place where they drink coffee - and our doses of caffeine are different.
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WoodsideCraig
Author of the blog "The Weiler Psi"
06:32 PM on 09/07/2010
Coffee in the morning. Next best thing to sex.
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Andialu
05:58 PM on 09/07/2010
|Pulls the mask off of Dr. Edlund's face|

Haha! Juan Valdez! But why?

"If it wasn't for you dreaded kids and your engergy drinks....."
06:48 PM on 09/07/2010
Sorry, no relationship with El Exigente. Personally, I prefer tea.
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CanisLatrans
Progressive/2nd Amendment Jewish Iraq war vet.
05:44 PM on 09/07/2010
Energy drinks are also very convenient. They typically come in a can which can be stored, then opened, when time allows. A lot of the guys I went outside the wire with in Iraq schlepped Energy Drinks with them. Coffee, typically, doesn't come in a can (some do) but in a paper cup with a flimsily-attached plastic lid that pops off if you give it a harsh look.

But then, to me at least, Energy Drinks typically taste like a carbonated version of Vicks-44 cough syrup. So I forgo them and put up with droopy eyes from time to time in order to stay true to my coffee, which I also like the taste of.
06:50 PM on 09/07/2010
It sounds like you're using it medicinally, which I think is what energy drinks really are for. They certainly are convenient.
05:02 PM on 09/07/2010
Caffeine is an amazing and scary drug. How can this stuff be legal?? I quit for years but now that I have two small children and my own business and I'm a competitive runner, I'm back on the stuff.

It makes you sharper, more gregarious, more charming. But it's a slippery slope and once you are addicted, you will have a hard time breaking it. Those caffeine withdrawal headaches are killers - not to mention the flu like symptoms.

I try very hard not to have it every day but on the days I don't, I'm simply less productive.
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Andialu
05:56 PM on 09/07/2010
You misspelled cocaine.
08:41 PM on 09/07/2010
HAHAHAHAHAHAHAHAHAHA
03:24 AM on 09/08/2010
:-)
06:51 PM on 09/07/2010
I think if you have it regularly, in low dose, early enough that it doesn't affect sleep, it can be a very, very useful drug - especially when drunk socially. It's pretty clear professional athletes use it effectively.
11:14 AM on 09/09/2010
I gave up all caffeine in my early 30s, even chocolate (I'm 47 now), and it has been a good thing.... I think caffeine can make it easier to miss recognizing what is most important to us, and make it more difficult to be patient. With a really clean diet (raw vegan, or mostly so, and zero processed foods, including any kind of flour product), it's still possible to have great energy.