Earlier quoted context omitted.
First, you can't really judge a person's happiness just by looking at them. Second, you can't really cheat your biology in the long run, because your brain will always compensate for any psychoactive drug you consume. Take dopamine for example. If you take a drug that increases the amount of dopamine in your brain, then your brain will decrease its density of dopamine receptors to compensate. If you take a drug that…
> Second, you can't really cheat your biology in the long run, because your brain will always compensate for any psychoactive drug you consume. Not true; this is a common pop-sci myth. Nearly all neurological signal processors have numerous types of inputs and outputs. While it is true that the body usually alters drug sensitivity so as to counteract the drug effect, it simultaneously alters many other signal senders…
I meant psychoactive drugs. I realize that NSAIDs and other drugs stay effective.
"The central nervous system drugs work too, although the statistics are less impressive."
If by work, you mean they have some effect, then yes. However, all the research seems to show that you're worse off in the long term than if you'd never taken the drug at all:
http://www.madinamerica.com/madinamerica.com/Home/AB86250A-A...
(And again, you'd really have to read the book to understand the research he's citing and its implications, but the blog post is at least a quick glance at the results of some of the biggest longterm efficacy studies.)