Now, what’s the use of these drug plants in evolutionary terms? Well, one of the more interesting theories that was proposed by Steven Pinker, the brain scientist, is that our attraction to plant drugs is the coming together of two distinct adaptive traits. We have a system of brain rewards, such that anytime we do something very heroic or useful, our brain is flooded with chemicals that make us feel good, and that’s very adaptive. We also have this big brain designed for solving problems. So you bring the second trait to bear on the first, and you figure out a way to trick the brain into triggering its reward system. It’s a pretty good theory.
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Somebody remind me why it's illegal.
posted by i_am_a_Jedi at 12:20 PM on August 12, 2006