So I re-listened to the Fresh Air segment today, then did some quick digging through articles I’ve seen online on the brain, stirred it all around, let it simmer some more, and here is the reduction I got.
Maybe our addiction to the pursuit of happiness is contributing to brain aging. It’s not an umbrella cause, of course. You would never have been able to say that Mom led a hedonistic lifestyle. And Ronald Reagan pursued a lot more things than happiness. But still… The connection between what Dr. Linden was saying and what I’ve read makes me suspicious.
In David Linden’s Compass of Pleasure, he talks about the pleasure area of the brain as being that part that–in response to certain activities or substances–produces dopamine. Dopamine is the “feel good” neurotransmitter in the brain. It is activated when we engage in certain activities or thought processes, but it is also activated when we injest/inject food, alcohol, narcotics.
Some things that produce dopamine are completely healthy. Like a good run, the enjoyment of friends, reading a stimulating book.
Some things are borderline good. Like food. Everybody needs it. The pleasure of good food produces dopamine. But when pleasure is sought after for pleasure’s sake, “the brain’s dopaminergic circuitry gets blunted. In all cases of producing pleasure in the brain, it takes increasing levels [of a thing] to produce the same level of pleasure” (quoting Dr. L). So with food, you eventually get overweightness if the pleasure of food is pursued beyond the body’s need for it. Obesity is contributing to an epidemic of Diabetes, which is strongly linked to brain aging. By indirect means, then, the pursuit of a happy palate can lead to brain aging.
Then there are things that produce dopamine (or cause its production) that are not healthy. Like alcohol, nicotine, cocaine. This falls in with the acetaldehyde hypothesis I wrote about in Does Alzheimer’s Take Guts. Alcohol, cocaine, and especially cigarette smoke have–at some point in their metabolic breakdown–the toxic aldehyde acetaldehyde. Very destructive to the brain. Dopamine is produced as the end-process of breaking down harmful aldehydes into harmless acids. It’s the brain’s “Yahoo!” after saving the day from the bad guys. That “Yahoo!” may be a good thing, but again, in order to get it a second, third, and nth time, you have to increase the attack on the body. [Interestingly, Disulfiram's use to treat alcohol and cocaine addiction works by inhibiting ALDH2 (aldehyde dehydrogenase) which is the enzyme that metabolizes acetaldehyde. It lets the toxin do its full work rather than disabling it by metabolizing it into a harmless acid. So the brain does not get its "yahoo!" And if you get no yahoo, you don't repeat the action.]
The problem with focusing on happiness above all else is that we may end up using the short-cut and more harmful methods of getting that dopamine high.
Dr. Linden’s solution? “Try to take your pleasures broadly: exercise, meditate, learn, have moderate consumption of alcohol, moderate consumption of food.”
I would add: pursue friendships, do charitable work, tend a garden, read a good book (get more ideas at Changing Aging).
As Captain Kirk once said, “There are a million things you can have and a million things you can’t have. Choose the million you can.”

e all know, even without reading research papers, that music has emotional benefit: it can excite and calm and induce a wonderfully cathartic weeping session. This applies whether you’re healthy or sick; whether you have Parkinson’s or autism or Alzheimer’s.






Yesterday Bloomberg Businessweek published an article titled 











Very interesting! Certainly pushed my brain into overdrive! What about the use of anti-depressants to create happiness? I am the original guinea pig for anti-depressants having started them over thirty years ago. I’ve been on and off of them (not on during two pregnancies) but mostly on ~ various types, various amounts. Now at sixty I am noticing a distinct change in my ability to experience pleasure and pain and many other disheartening issues that I can’t help but wonder if they’re related to the medication.
They are learning so much about all of this now. It’s tremendously exciting. I sure wish they could learn something from my experiences. I look forward to following your blog. Lots of good information!
Interesting perspective, Dorothy. The only antidepressant I use (and will never give up) is coffee.
Remember that menopause can flatline your emotional self. I and my sisters have experienced that “can’t feel anything” phase at various times.
Most likely, subscribing to your blog will help prevent Alzhemer’s! Profound food for thought in every post. We’re getting too soft, at least in much of the Western world, and maybe dopamine (or its depletion) is to blame. Yet stress ages the brain, too. Your call for balance seems to be right on target. Great post, as always!
I sure hope writing it helps forestal Alzheimer’s. : )
So how do we live in the West without stress? Down-time is a hard habit to establish.
My observation is that having a purpose is essential to anyone’s well being. It is doubly so as we age, I am 80 years old and work part-time conducting human development retreats and writing seminars. This is work that I have been doing for 35 years and I thank the good stars everyday that I have those brains cells still perking away! Because my work is so deeply embedded in my brain, I might forget a lot of things, but I never forget what my craft is about and what I have learned from it.
I raised five very active children before I went to paid work. I feel that I have had two lives. One still pays me in love and one pays me in self respect. Keep going everybody! Keep going, keep going, keep going.
I so agree, Ilene. I’ve just started a new line of work that uses my creative side, and, boy o boy, does it pump the brain! Yet some people live with a purpose and still age prematurely–thinking of Ronald Reagan for one.
Keep up that attitude of gratitude for those perky brain cells, because not everyone has them.
Is it pursuit of pleasure or an unhealthy diet?
Dr. Mary Newport http://www.coconutketones.com/ calls Alzheimer’s “Type 3 Diabetes”, because the Alz. brain can’t process glucose.
My Mom sure loves her chocolate chip cookies & chocolate ice cream!
Also reading about the relationship of nitrates (in processed food) and Alz.
Appreciate your earlier posts on Niacinamide. Besides sneaking coconut oil into Mom’s breakfast oatmeal, I’ll now sneak Niacinamide into her collection of prescriptions & vitamins.