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Is Coffee Ruining your Life?

July 10, 2015 by Joycelyn Campbell 5 Comments

coffee willpowerThis past week, Scientific American online ran an article titled “The Problem of Artificial Willpower.” It was based on a research paper by Torben Kjaersgaard, who is in the Department of Sport Science at Aarhus University in Denmark. Kjaersgaard’s concern is the off-label use of prescription stimulants—such as Adderall, which is normally used in the treatment of ADHD, and modafinil, which is normally used in the treatment of daytime sleepiness caused by sleep apnea or narcolepsy—to enhance motivation. This might not have caught my attention had Kjaersgaard not also targeted coffee.

Kjaersgaard acknowledges that healthy individuals who use prescription stimulants—and/or caffeine—to enhance their performance report increased motivation as a significant effect. This is certainly not surprising. It’s also not surprising that it makes them feel good. What concerns Kjaersgaard is the ethics of motivation enhancement.

In this article I discuss ethical issues of motivation enhancement induced by currently available prescription drugs. I argue that medically enhanced motivation raises questions concerning the ethics of accomplishment and the value of human effort [emphasis mine].

Kjaarsgaard—and the author of the Scientific American blog post, Hazen Zohny—appear to believe that coffee drinkers may simply be masking “the meaninglessness of it all” until, “several thousand of those (caffeine) hits later, you find yourself middle-aged and struggling with a sense that you haven’t quite spent your life as you would have liked.” All because of…coffee.

Zohny wonders if we should really be “using substances that enhance our enjoyment and interest in…pursuits we would otherwise find meaningless and alienating.”

Might we end up leading deeply inauthentic lives, using pharmaceutically-induced willpower to waft through a life that otherwise means nothing to us?

Kjaersgaard is concerned that our lack of motivation for a task or a job is a symptom of a deeper problem, in which case instead of enhancing our motivation temporarily (for example by having a cup of coffee), we should instead stop and re-evaluate the course of our lives. Say what? I’m pretty sure my lack of motivation for some of the tasks I have to do is directly related to the nature of the tasks (I find them boring or otherwise unpleasant, but such is life) rather than indicative of “a deeper problem.” Sometimes it’s a cup of coffee that provides me with artificial motivation and sometimes it’s loud, upbeat music or a brisk walk. Should I give up the music and the walking along with the coffee? I was reassured to see that the majority of Scientific American commenters didn’t buy what Kjaersgaard and Zohny were selling, either, and so I went about my caffeinated life.

However, the next day I came across an even more over-the-top take on the subject in a Facebook post titled “Drugs that Make Us Feel Smart Are Ruining Our Lives.” Yes, that would be Adderall, Ritalin, and caffeine. The author reports that “college students feel amazing when they take Adderall.” He doesn’t object to the students’ use of prescription stimulants per se, but to the fact that the drugs cause these students to be “artificially interested in topics they otherwise wouldn’t care about.”

So instead of finding their true, authentic selves, they bend their will to ace exams they feel no passion for.

Well, I’m sure all colleges would be happy to allow students to take only courses they are interested in—and, of course, students already know what they are interested in at the time they enroll. But no; it turns out that “young people are meant to be discovering their true interests” while in college. So…wait, what?

This bizarre line of thinking is a wacky combination of Puritanism and New-Age nonsense, which is why it makes no sense and is insulting to boot. The idea that everyone not only has the luxury of discovering their “true interests” and spending their lives engaged in pursuing them (all intrinsically motivated), but also the duty to do so is ridiculous. This is the kind of first-world, made-up problem we ought to be ashamed of even entertaining. I would like to be pointed in the direction of any person, anywhere who never wants or could use some artificial motivation.

Mom, is your baby keeping you up at night? Instead of having that cup of coffee every morning, you might want to re-evaluate this whole parenthood thing.

As a former substance abuse counselor, I’m certainly not advocating the unfettered recreational use of prescription drugs. But the use of caffeine and prescription drugs isn’t really the issue.

One issue is that the authors of these articles want us to stop trying to make ourselves feel better, stop trying to “tolerate a long-term circumstance,” stop trying to make ourselves “feel up to the task.” Instead we should “experience the incongruity” and change our lives. This advice seems doctrinaire, heartless, and wildly unrealistic. What if the long-term circumstance can’t be changed?

Another issue is rampant insensitivity to the lives and experiences of masses of other people who are not like them. What about those who are unemployed, hungry, homeless, abused, enslaved, trafficked, live in the middle of a war zone, or are without the basic necessities we take for granted? Is it OK for them to do whatever they need to do to get through the day—and through whatever unfulfilling, uninteresting, possibly dangerous and/or backbreaking work they may be able to find? Or should they, too, be focused on discovering their true interests and true, authentic selves because settling for less would be a cop out?

A third issue is their attempt to impose their belief system on other people. I was glad to see quite a few commenters call out the author of the Facebook article (as did I) on his assumption of the existence of a true, authentic self. I offered the possibility that one’s true, authentic self might be a caffeine fiend. Several others agreed with me. (One person said his true, authentic self wanted to be someone else.)

When a commenter asked what I would consider “evidence” of what I referred to as the vague and nebulous authentic self, someone immediately suggested he read Candide.

Instead of obsessing over finding our true, authentic selves, we might be better off trying to be kinder to each other, cutting each other more slack, and working a little harder to level the playing field for the people, both in our own neighborhoods and on the other side of the world, who would be more than happy to trade their problems for this imaginary one.

And I will most definitely not be giving up coffee anytime soon.

Filed Under: Beliefs, Cognitive Biases, Happiness, Living, Meaning Tagged With: Caffeine, Motivation, Prescription Drugs, Willpower

Your Brain on Coffee?

July 24, 2014 by Joycelyn Campbell 2 Comments

English: A photo of a cup of coffee. Esperanto...

Do you think of coffee as “the devil’s brew,” liquid gold, “god in a cup,” or just your morning wake-up call? Do you think it’s good for you or bad for you? Are you addicted to it? Are you trying to quit or cut back? How long since your last cup? Are you drinking coffee right now?

Coffee is widely consumed but just as widely misunderstood. Many myths about it have proven hard to dispel in spite of the research debunking them. Coffee is considered to be a stimulant that is addictive. You’ve probably heard someone comment about coffee being his or her drug of choice. Maybe you’ve said it yourself.

Caffeine passes through the blood brain barrier, so it directly affects the brain. Scientists can’t fully explain all the mechanisms involved, but there is growing consensus about several things.

1. Caffeine isn’t a stimulant the way cocaine or amphetamines are.

When caffeine enters the brain, it binds to and blocks adenosine receptors (without activating them). Adenosine is a neurochemical produced by neurons as they fire. As adenosine levels build up, you begin to feel sleepy or at least less energetic. With caffeine blocking the adenosine receptors, your nervous system doesn’t respond the way it normally would. Instead of feeling drowsy, you continue to feel alert.

 

2. Caffeine can become a habit, but it isn’t addictive in the strict definition of the term.

Another thing happens when caffeine blocks adenosine receptors: more glutamate and dopamine are released. These are both excitatory neurotransmitters that are also involved in memory and learning. Dopamine is part of the brain’s reward system. The hit of dopamine you get from caffeine is another reason you can become habituated to drinking coffee or other caffeinated drinks. You feel good and your brain urges you to do it again.

Caffeine can change brain structure in terms of the number of adenosine receptors. And some people experience withdrawal symptoms when they stop using it. However, not everyone experiences withdrawal symptoms—and some of those symptoms may be all in your mind. It turns out that reactions to caffeine vary widely and are influenced by both genetics and expectations. If one of your parents is sensitive to caffeine, you probably are, too. Likewise, if you have a parent with a high tolerance for caffeine, you probably do, as well.

3. Caffeine doesn’t keep most people who drink it up at night.

The half-life of caffeine is about five or six hours, although it varies from person to person and with different conditions (health, age, weight, body type, metabolism, pregnancy, etc.). As long as you don’t drink coffee late in the day, you probably will be able to sleep just fine. On the other hand, some people can fall asleep right after having a cup of coffee. In fact, one recommended method for boosting your energy mid-day is to have a cup of coffee and then take a nap. The combination of the two works better than either one alone. [I experienced this once, albeit unintentionally, and can vouch for the results.]

4. Caffeine does help you maintain your attention or focus on tasks, but only on routine tasks or activities that are kind of boring and not particularly challenging.

It can help you tune out distractions, which means it may be helpful for people with ADD or ADHD but not for people with OCD. Caffeine can help you work faster. However, if you want to focus on a creative activity or something that requires conscious (System 2) attention—“real thinking” or “pure thought,” as some refer to it—caffeine won’t be much of a help. It can even be a hindrance.

5. Caffeine can improve your long-term memory by helping your brain consolidate those memories.

The trick is to consume it after you learn something rather than before. This makes sense given caffeine’s effect of blocking adenosine receptors and allowing for the release of more dopamine and glutamate, both of which are involved in learning.

But wait…there’s more!

The conclusion of a 2010 detailed literature review by M.J. Glade revealed that a moderate amount of caffeine:

  • Increases energy availability
  • Increases daily energy expenditure
  • Decreases fatigue
  • Decreases the sense of effort associated with physical activity
  • Enhances physical performance
  • Enhances motor performance
  • Enhances cognitive performance
  • Increases alertness, wakefulness, and feelings of “energy”
  • Decreases mental fatigue
  • Quickens reactions
  • Increases the accuracy of reactions
  • Increases the ability to concentrate and focus attention
  • Enhances short-term memory
  • Increases the ability to solve problems requiring reasoning
  • Increases the ability to make correct decisions
  • Enhances cognitive functioning capabilities and neuromuscular coordination

The key for most people is moderation, which means limiting coffee consumption to about three eight-ounce cups a day. Not all eight-ounce cups of coffee contain the same amount of caffeine, however; nor do they contain the same amount of CQA (caffeoylquinic acid), the compound in coffee that may be responsible for some of its beneficial effects. Hopefully, we will eventually be able to get that information at our point of purchase. In the meantime, my brain says enough thinking and writing about coffee. It’s time to enjoy some!

Filed Under: Brain, Habit, Learning, Mind Tagged With: Adenosine receptor, Brain, Caffeine, Coffee, Mind

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