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Responsible for things like pleasure, memory, learning, sensation, sense of time and space, coordination, movement, appetite and other drives shall we say. so it's sort of an all-over impact. >> so reward, pleasure, hunger. you have this overall feeling of well being, they say. >> that all sounds pretty good. >> it does sound pretty good. >> and it's not just feeling good, but there is this phenomenon reported by many smokers over the years, especially famous artists, the ability to be more creative. >> when you feel that high, there's sort of a release of dopamine, and your brain has the abil...